Home / 15,396.32-23,077.44-12,635.12

Finding the Fourth Proportional to 15,396.32, 23,077.44 and 12,635.12

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Solution

The fourth proportional to 15,396.32, 23,077.44 and 12,635.12 is: 18,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396.32 : 23,077.44 = 12,635.12 : x
  2. Step 2: Convert to fraction form
    15,396.32/23,077.44 = 12,635.12/x
  3. Step 3: Cross multiply
    15,396.32x = 23,077.44 × 12,635.12
  4. Step 4: Simplify right side
    15,396.32x = 291,586,223.69
  5. Step 5: Solve for x
    x = 291,586,223.69/15,396.32
  6. Step 6: Final answer
    x = 18,938.70

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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.