Home / 15,128.78-22,693.17-4,598.90

Finding the Fourth Proportional to 15,128.78, 22,693.17 and 4,598.90

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Solution

The fourth proportional to 15,128.78, 22,693.17 and 4,598.90 is: 6,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.78 : 22,693.17 = 4,598.90 : x
  2. Step 2: Convert to fraction form
    15,128.78/22,693.17 = 4,598.90/x
  3. Step 3: Cross multiply
    15,128.78x = 22,693.17 × 4,598.90
  4. Step 4: Simplify right side
    15,128.78x = 104,363,506.05
  5. Step 5: Solve for x
    x = 104,363,506.05/15,128.78
  6. Step 6: Final answer
    x = 6,898.34

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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.