Home / 15,289.10-22,937.11-5,428.38

Finding the Fourth Proportional to 15,289.10, 22,937.11 and 5,428.38

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Solution

The fourth proportional to 15,289.10, 22,937.11 and 5,428.38 is: 8,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289.10 : 22,937.11 = 5,428.38 : x
  2. Step 2: Convert to fraction form
    15,289.10/22,937.11 = 5,428.38/x
  3. Step 3: Cross multiply
    15,289.10x = 22,937.11 × 5,428.38
  4. Step 4: Simplify right side
    15,289.10x = 124,511,421.63
  5. Step 5: Solve for x
    x = 124,511,421.63/15,289.10
  6. Step 6: Final answer
    x = 8,143.80

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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.