Home / 11,210.76-15,470.95-6,175.16

Finding the Fourth Proportional to 11,210.76, 15,470.95 and 6,175.16

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Solution

The fourth proportional to 11,210.76, 15,470.95 and 6,175.16 is: 8,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.76 : 15,470.95 = 6,175.16 : x
  2. Step 2: Convert to fraction form
    11,210.76/15,470.95 = 6,175.16/x
  3. Step 3: Cross multiply
    11,210.76x = 15,470.95 × 6,175.16
  4. Step 4: Simplify right side
    11,210.76x = 95,535,498.81
  5. Step 5: Solve for x
    x = 95,535,498.81/11,210.76
  6. Step 6: Final answer
    x = 8,521.77

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Half scale
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Double scale
Find fourth proportional to 11,211.76, 15,472.33 and 6,176.16
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.