Home / 15,439.59-23,157.50-4,345.16

Finding the Fourth Proportional to 15,439.59, 23,157.50 and 4,345.16

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Solution

The fourth proportional to 15,439.59, 23,157.50 and 4,345.16 is: 6,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,439.59 : 23,157.50 = 4,345.16 : x
  2. Step 2: Convert to fraction form
    15,439.59/23,157.50 = 4,345.16/x
  3. Step 3: Cross multiply
    15,439.59x = 23,157.50 × 4,345.16
  4. Step 4: Simplify right side
    15,439.59x = 100,622,905.19
  5. Step 5: Solve for x
    x = 100,622,905.19/15,439.59
  6. Step 6: Final answer
    x = 6,517.20

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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.