Home / 10,342.30-15,513.45-9,370.30

Finding the Fourth Proportional to 10,342.30, 15,513.45 and 9,370.30

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Solution

The fourth proportional to 10,342.30, 15,513.45 and 9,370.30 is: 14,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.30 : 15,513.45 = 9,370.30 : x
  2. Step 2: Convert to fraction form
    10,342.30/15,513.45 = 9,370.30/x
  3. Step 3: Cross multiply
    10,342.30x = 15,513.45 × 9,370.30
  4. Step 4: Simplify right side
    10,342.30x = 145,365,680.54
  5. Step 5: Solve for x
    x = 145,365,680.54/10,342.30
  6. Step 6: Final answer
    x = 14,055.45

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Similar ratio
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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.