Home / 11,030.96-15,223.07-6,316.76

Finding the Fourth Proportional to 11,030.96, 15,223.07 and 6,316.76

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Solution

The fourth proportional to 11,030.96, 15,223.07 and 6,316.76 is: 8,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.96 : 15,223.07 = 6,316.76 : x
  2. Step 2: Convert to fraction form
    11,030.96/15,223.07 = 6,316.76/x
  3. Step 3: Cross multiply
    11,030.96x = 15,223.07 × 6,316.76
  4. Step 4: Simplify right side
    11,030.96x = 96,160,479.65
  5. Step 5: Solve for x
    x = 96,160,479.65/11,030.96
  6. Step 6: Final answer
    x = 8,717.33

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Half scale
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Double scale
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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.