Home / 15,317.12-22,953.76-8,729.68

Finding the Fourth Proportional to 15,317.12, 22,953.76 and 8,729.68

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Solution

The fourth proportional to 15,317.12, 22,953.76 and 8,729.68 is: 13,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.12 : 22,953.76 = 8,729.68 : x
  2. Step 2: Convert to fraction form
    15,317.12/22,953.76 = 8,729.68/x
  3. Step 3: Cross multiply
    15,317.12x = 22,953.76 × 8,729.68
  4. Step 4: Simplify right side
    15,317.12x = 200,378,979.60
  5. Step 5: Solve for x
    x = 200,378,979.60/15,317.12
  6. Step 6: Final answer
    x = 13,082.03

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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.