Home / 10,102.30-15,148.38-6,401.71

Finding the Fourth Proportional to 10,102.30, 15,148.38 and 6,401.71

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Solution

The fourth proportional to 10,102.30, 15,148.38 and 6,401.71 is: 9,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.30 : 15,148.38 = 6,401.71 : x
  2. Step 2: Convert to fraction form
    10,102.30/15,148.38 = 6,401.71/x
  3. Step 3: Cross multiply
    10,102.30x = 15,148.38 × 6,401.71
  4. Step 4: Simplify right side
    10,102.30x = 96,975,535.73
  5. Step 5: Solve for x
    x = 96,975,535.73/10,102.30
  6. Step 6: Final answer
    x = 9,599.35

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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.