Home / 11,210.55-15,470.66-6,174.79

Finding the Fourth Proportional to 11,210.55, 15,470.66 and 6,174.79

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Solution

The fourth proportional to 11,210.55, 15,470.66 and 6,174.79 is: 8,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.55 : 15,470.66 = 6,174.79 : x
  2. Step 2: Convert to fraction form
    11,210.55/15,470.66 = 6,174.79/x
  3. Step 3: Cross multiply
    11,210.55x = 15,470.66 × 6,174.79
  4. Step 4: Simplify right side
    11,210.55x = 95,528,036.06
  5. Step 5: Solve for x
    x = 95,528,036.06/11,210.55
  6. Step 6: Final answer
    x = 8,521.26

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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.