Home / 15,008.24-20,717.88-10,316.72

Finding the Fourth Proportional to 15,008.24, 20,717.88 and 10,316.72

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Solution

The fourth proportional to 15,008.24, 20,717.88 and 10,316.72 is: 14,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.24 : 20,717.88 = 10,316.72 : x
  2. Step 2: Convert to fraction form
    15,008.24/20,717.88 = 10,316.72/x
  3. Step 3: Cross multiply
    15,008.24x = 20,717.88 × 10,316.72
  4. Step 4: Simplify right side
    15,008.24x = 213,740,566.95
  5. Step 5: Solve for x
    x = 213,740,566.95/15,008.24
  6. Step 6: Final answer
    x = 14,241.55

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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.