Home / 14,000.35-21,000.53-8,459.95

Finding the Fourth Proportional to 14,000.35, 21,000.53 and 8,459.95

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Solution

The fourth proportional to 14,000.35, 21,000.53 and 8,459.95 is: 12,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.35 : 21,000.53 = 8,459.95 : x
  2. Step 2: Convert to fraction form
    14,000.35/21,000.53 = 8,459.95/x
  3. Step 3: Cross multiply
    14,000.35x = 21,000.53 × 8,459.95
  4. Step 4: Simplify right side
    14,000.35x = 177,663,391.47
  5. Step 5: Solve for x
    x = 177,663,391.47/14,000.35
  6. Step 6: Final answer
    x = 12,689.93

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Similar ratio
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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.