Home / 15,000.42-22,471.38-9,790.50

Finding the Fourth Proportional to 15,000.42, 22,471.38 and 9,790.50

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Solution

The fourth proportional to 15,000.42, 22,471.38 and 9,790.50 is: 14,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000.42 : 22,471.38 = 9,790.50 : x
  2. Step 2: Convert to fraction form
    15,000.42/22,471.38 = 9,790.50/x
  3. Step 3: Cross multiply
    15,000.42x = 22,471.38 × 9,790.50
  4. Step 4: Simplify right side
    15,000.42x = 220,006,045.89
  5. Step 5: Solve for x
    x = 220,006,045.89/15,000.42
  6. Step 6: Final answer
    x = 14,666.66

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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.