Home / 15,531.82-23,147.86-15,507.11

Finding the Fourth Proportional to 15,531.82, 23,147.86 and 15,507.11

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Solution

The fourth proportional to 15,531.82, 23,147.86 and 15,507.11 is: 23,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.82 : 23,147.86 = 15,507.11 : x
  2. Step 2: Convert to fraction form
    15,531.82/23,147.86 = 15,507.11/x
  3. Step 3: Cross multiply
    15,531.82x = 23,147.86 × 15,507.11
  4. Step 4: Simplify right side
    15,531.82x = 358,956,459.46
  5. Step 5: Solve for x
    x = 358,956,459.46/15,531.82
  6. Step 6: Final answer
    x = 23,111.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.