Home / 14,909.02-22,329.49-7,123.30

Finding the Fourth Proportional to 14,909.02, 22,329.49 and 7,123.30

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Solution

The fourth proportional to 14,909.02, 22,329.49 and 7,123.30 is: 10,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.02 : 22,329.49 = 7,123.30 : x
  2. Step 2: Convert to fraction form
    14,909.02/22,329.49 = 7,123.30/x
  3. Step 3: Cross multiply
    14,909.02x = 22,329.49 × 7,123.30
  4. Step 4: Simplify right side
    14,909.02x = 159,059,656.12
  5. Step 5: Solve for x
    x = 159,059,656.12/14,909.02
  6. Step 6: Final answer
    x = 10,668.69

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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.