Home / 13,527.55-20,192.26-11,929.68

Finding the Fourth Proportional to 13,527.55, 20,192.26 and 11,929.68

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Solution

The fourth proportional to 13,527.55, 20,192.26 and 11,929.68 is: 17,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.55 : 20,192.26 = 11,929.68 : x
  2. Step 2: Convert to fraction form
    13,527.55/20,192.26 = 11,929.68/x
  3. Step 3: Cross multiply
    13,527.55x = 20,192.26 × 11,929.68
  4. Step 4: Simplify right side
    13,527.55x = 240,887,294.78
  5. Step 5: Solve for x
    x = 240,887,294.78/13,527.55
  6. Step 6: Final answer
    x = 17,807.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.