Home / 21,711.43-32,582.69-9,240.21

Finding the Fourth Proportional to 21,711.43, 32,582.69 and 9,240.21

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Solution

The fourth proportional to 21,711.43, 32,582.69 and 9,240.21 is: 13,866.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,711.43 : 32,582.69 = 9,240.21 : x
  2. Step 2: Convert to fraction form
    21,711.43/32,582.69 = 9,240.21/x
  3. Step 3: Cross multiply
    21,711.43x = 32,582.69 × 9,240.21
  4. Step 4: Simplify right side
    21,711.43x = 301,070,897.96
  5. Step 5: Solve for x
    x = 301,070,897.96/21,711.43
  6. Step 6: Final answer
    x = 13,866.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.