Home / 10,298.62-15,445.56-6,139.80

Finding the Fourth Proportional to 10,298.62, 15,445.56 and 6,139.80

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Solution

The fourth proportional to 10,298.62, 15,445.56 and 6,139.80 is: 9,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298.62 : 15,445.56 = 6,139.80 : x
  2. Step 2: Convert to fraction form
    10,298.62/15,445.56 = 6,139.80/x
  3. Step 3: Cross multiply
    10,298.62x = 15,445.56 × 6,139.80
  4. Step 4: Simplify right side
    10,298.62x = 94,832,649.29
  5. Step 5: Solve for x
    x = 94,832,649.29/10,298.62
  6. Step 6: Final answer
    x = 9,208.29

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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.