Home / 15,617.38-23,429.20-5,756.70

Finding the Fourth Proportional to 15,617.38, 23,429.20 and 5,756.70

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Solution

The fourth proportional to 15,617.38, 23,429.20 and 5,756.70 is: 8,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.38 : 23,429.20 = 5,756.70 : x
  2. Step 2: Convert to fraction form
    15,617.38/23,429.20 = 5,756.70/x
  3. Step 3: Cross multiply
    15,617.38x = 23,429.20 × 5,756.70
  4. Step 4: Simplify right side
    15,617.38x = 134,874,875.64
  5. Step 5: Solve for x
    x = 134,874,875.64/15,617.38
  6. Step 6: Final answer
    x = 8,636.20

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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.