Home / 21,668.50-32,478.18-9,957.52

Finding the Fourth Proportional to 21,668.50, 32,478.18 and 9,957.52

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Solution

The fourth proportional to 21,668.50, 32,478.18 and 9,957.52 is: 14,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,668.50 : 32,478.18 = 9,957.52 : x
  2. Step 2: Convert to fraction form
    21,668.50/32,478.18 = 9,957.52/x
  3. Step 3: Cross multiply
    21,668.50x = 32,478.18 × 9,957.52
  4. Step 4: Simplify right side
    21,668.50x = 323,402,126.91
  5. Step 5: Solve for x
    x = 323,402,126.91/21,668.50
  6. Step 6: Final answer
    x = 14,924.99

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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.