Home / 10,438.65-14,396.96-9,177.02

Finding the Fourth Proportional to 10,438.65, 14,396.96 and 9,177.02

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Solution

The fourth proportional to 10,438.65, 14,396.96 and 9,177.02 is: 12,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.65 : 14,396.96 = 9,177.02 : x
  2. Step 2: Convert to fraction form
    10,438.65/14,396.96 = 9,177.02/x
  3. Step 3: Cross multiply
    10,438.65x = 14,396.96 × 9,177.02
  4. Step 4: Simplify right side
    10,438.65x = 132,121,189.86
  5. Step 5: Solve for x
    x = 132,121,189.86/10,438.65
  6. Step 6: Final answer
    x = 12,656.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.