Home / 10,763.28-16,144.80-7,587.65

Finding the Fourth Proportional to 10,763.28, 16,144.80 and 7,587.65

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Solution

The fourth proportional to 10,763.28, 16,144.80 and 7,587.65 is: 11,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,763.28 : 16,144.80 = 7,587.65 : x
  2. Step 2: Convert to fraction form
    10,763.28/16,144.80 = 7,587.65/x
  3. Step 3: Cross multiply
    10,763.28x = 16,144.80 × 7,587.65
  4. Step 4: Simplify right side
    10,763.28x = 122,501,011.00
  5. Step 5: Solve for x
    x = 122,501,011.00/10,763.28
  6. Step 6: Final answer
    x = 11,381.38

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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.