Home / 21,490.26-29,657.07-12,059.52

Finding the Fourth Proportional to 21,490.26, 29,657.07 and 12,059.52

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Solution

The fourth proportional to 21,490.26, 29,657.07 and 12,059.52 is: 16,642.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490.26 : 29,657.07 = 12,059.52 : x
  2. Step 2: Convert to fraction form
    21,490.26/29,657.07 = 12,059.52/x
  3. Step 3: Cross multiply
    21,490.26x = 29,657.07 × 12,059.52
  4. Step 4: Simplify right side
    21,490.26x = 357,650,028.81
  5. Step 5: Solve for x
    x = 357,650,028.81/21,490.26
  6. Step 6: Final answer
    x = 16,642.42

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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.