Home / 10,265.30-15,401.55-4,423.70

Finding the Fourth Proportional to 10,265.30, 15,401.55 and 4,423.70

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Solution

The fourth proportional to 10,265.30, 15,401.55 and 4,423.70 is: 6,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.30 : 15,401.55 = 4,423.70 : x
  2. Step 2: Convert to fraction form
    10,265.30/15,401.55 = 4,423.70/x
  3. Step 3: Cross multiply
    10,265.30x = 15,401.55 × 4,423.70
  4. Step 4: Simplify right side
    10,265.30x = 68,131,836.74
  5. Step 5: Solve for x
    x = 68,131,836.74/10,265.30
  6. Step 6: Final answer
    x = 6,637.10

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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.