Home / 21,600.26-29,807.89-12,040.13

Finding the Fourth Proportional to 21,600.26, 29,807.89 and 12,040.13

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Solution

The fourth proportional to 21,600.26, 29,807.89 and 12,040.13 is: 16,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,600.26 : 29,807.89 = 12,040.13 : x
  2. Step 2: Convert to fraction form
    21,600.26/29,807.89 = 12,040.13/x
  3. Step 3: Cross multiply
    21,600.26x = 29,807.89 × 12,040.13
  4. Step 4: Simplify right side
    21,600.26x = 358,890,870.63
  5. Step 5: Solve for x
    x = 358,890,870.63/21,600.26
  6. Step 6: Final answer
    x = 16,615.12

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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.