Home / 10,508.40-15,763.10-4,265.19

Finding the Fourth Proportional to 10,508.40, 15,763.10 and 4,265.19

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Solution

The fourth proportional to 10,508.40, 15,763.10 and 4,265.19 is: 6,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.40 : 15,763.10 = 4,265.19 : x
  2. Step 2: Convert to fraction form
    10,508.40/15,763.10 = 4,265.19/x
  3. Step 3: Cross multiply
    10,508.40x = 15,763.10 × 4,265.19
  4. Step 4: Simplify right side
    10,508.40x = 67,232,595.16
  5. Step 5: Solve for x
    x = 67,232,595.16/10,508.40
  6. Step 6: Final answer
    x = 6,397.99

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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.