Home / 15,390.22-23,082.44-9,582.70

Finding the Fourth Proportional to 15,390.22, 23,082.44 and 9,582.70

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Solution

The fourth proportional to 15,390.22, 23,082.44 and 9,582.70 is: 14,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.22 : 23,082.44 = 9,582.70 : x
  2. Step 2: Convert to fraction form
    15,390.22/23,082.44 = 9,582.70/x
  3. Step 3: Cross multiply
    15,390.22x = 23,082.44 × 9,582.70
  4. Step 4: Simplify right side
    15,390.22x = 221,191,982.38
  5. Step 5: Solve for x
    x = 221,191,982.38/15,390.22
  6. Step 6: Final answer
    x = 14,372.25

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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.