Home / 10,342.04-15,513.10-4,190.36

Finding the Fourth Proportional to 10,342.04, 15,513.10 and 4,190.36

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Solution

The fourth proportional to 10,342.04, 15,513.10 and 4,190.36 is: 6,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.04 : 15,513.10 = 4,190.36 : x
  2. Step 2: Convert to fraction form
    10,342.04/15,513.10 = 4,190.36/x
  3. Step 3: Cross multiply
    10,342.04x = 15,513.10 × 4,190.36
  4. Step 4: Simplify right side
    10,342.04x = 65,005,473.72
  5. Step 5: Solve for x
    x = 65,005,473.72/10,342.04
  6. Step 6: Final answer
    x = 6,285.56

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Double scale
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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.