Home / 21,358.60-29,476.23-11,927.16

Finding the Fourth Proportional to 21,358.60, 29,476.23 and 11,927.16

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Solution

The fourth proportional to 21,358.60, 29,476.23 and 11,927.16 is: 16,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.60 : 29,476.23 = 11,927.16 : x
  2. Step 2: Convert to fraction form
    21,358.60/29,476.23 = 11,927.16/x
  3. Step 3: Cross multiply
    21,358.60x = 29,476.23 × 11,927.16
  4. Step 4: Simplify right side
    21,358.60x = 351,567,711.41
  5. Step 5: Solve for x
    x = 351,567,711.41/21,358.60
  6. Step 6: Final answer
    x = 16,460.24

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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.