Home / 10,763.40-16,145.10-9,615.23

Finding the Fourth Proportional to 10,763.40, 16,145.10 and 9,615.23

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Solution

The fourth proportional to 10,763.40, 16,145.10 and 9,615.23 is: 14,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.40 : 16,145.10 = 9,615.23 : x
  2. Step 2: Convert to fraction form
    10,763.40/16,145.10 = 9,615.23/x
  3. Step 3: Cross multiply
    10,763.40x = 16,145.10 × 9,615.23
  4. Step 4: Simplify right side
    10,763.40x = 155,238,849.87
  5. Step 5: Solve for x
    x = 155,238,849.87/10,763.40
  6. Step 6: Final answer
    x = 14,422.85

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Double scale
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Similar ratio
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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.