Home / 15,430.62-23,147.27-4,337.40

Finding the Fourth Proportional to 15,430.62, 23,147.27 and 4,337.40

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Solution

The fourth proportional to 15,430.62, 23,147.27 and 4,337.40 is: 6,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.62 : 23,147.27 = 4,337.40 : x
  2. Step 2: Convert to fraction form
    15,430.62/23,147.27 = 4,337.40/x
  3. Step 3: Cross multiply
    15,430.62x = 23,147.27 × 4,337.40
  4. Step 4: Simplify right side
    15,430.62x = 100,398,968.90
  5. Step 5: Solve for x
    x = 100,398,968.90/15,430.62
  6. Step 6: Final answer
    x = 6,506.48

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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.