Home / 10,397.20-15,601.20-4,554.40

Finding the Fourth Proportional to 10,397.20, 15,601.20 and 4,554.40

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Solution

The fourth proportional to 10,397.20, 15,601.20 and 4,554.40 is: 6,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.20 : 15,601.20 = 4,554.40 : x
  2. Step 2: Convert to fraction form
    10,397.20/15,601.20 = 4,554.40/x
  3. Step 3: Cross multiply
    10,397.20x = 15,601.20 × 4,554.40
  4. Step 4: Simplify right side
    10,397.20x = 71,054,105.28
  5. Step 5: Solve for x
    x = 71,054,105.28/10,397.20
  6. Step 6: Final answer
    x = 6,833.97

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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.