Home / 15,617.57-23,423.90-5,087.97

Finding the Fourth Proportional to 15,617.57, 23,423.90 and 5,087.97

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Solution

The fourth proportional to 15,617.57, 23,423.90 and 5,087.97 is: 7,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.57 : 23,423.90 = 5,087.97 : x
  2. Step 2: Convert to fraction form
    15,617.57/23,423.90 = 5,087.97/x
  3. Step 3: Cross multiply
    15,617.57x = 23,423.90 × 5,087.97
  4. Step 4: Simplify right side
    15,617.57x = 119,180,075.04
  5. Step 5: Solve for x
    x = 119,180,075.04/15,617.57
  6. Step 6: Final answer
    x = 7,631.16

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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.