Home / 10,160.70-15,219.18-6,456.48

Finding the Fourth Proportional to 10,160.70, 15,219.18 and 6,456.48

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Solution

The fourth proportional to 10,160.70, 15,219.18 and 6,456.48 is: 9,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.70 : 15,219.18 = 6,456.48 : x
  2. Step 2: Convert to fraction form
    10,160.70/15,219.18 = 6,456.48/x
  3. Step 3: Cross multiply
    10,160.70x = 15,219.18 × 6,456.48
  4. Step 4: Simplify right side
    10,160.70x = 98,262,331.29
  5. Step 5: Solve for x
    x = 98,262,331.29/10,160.70
  6. Step 6: Final answer
    x = 9,670.82

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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.