Home / 15,719.32-23,548.08-9,131.68

Finding the Fourth Proportional to 15,719.32, 23,548.08 and 9,131.68

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Solution

The fourth proportional to 15,719.32, 23,548.08 and 9,131.68 is: 13,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.32 : 23,548.08 = 9,131.68 : x
  2. Step 2: Convert to fraction form
    15,719.32/23,548.08 = 9,131.68/x
  3. Step 3: Cross multiply
    15,719.32x = 23,548.08 × 9,131.68
  4. Step 4: Simplify right side
    15,719.32x = 215,033,531.17
  5. Step 5: Solve for x
    x = 215,033,531.17/15,719.32
  6. Step 6: Final answer
    x = 13,679.57

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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.