Home / 17,154.08-23,678.18-13,188.32

Finding the Fourth Proportional to 17,154.08, 23,678.18 and 13,188.32

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Solution

The fourth proportional to 17,154.08, 23,678.18 and 13,188.32 is: 18,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.08 : 23,678.18 = 13,188.32 : x
  2. Step 2: Convert to fraction form
    17,154.08/23,678.18 = 13,188.32/x
  3. Step 3: Cross multiply
    17,154.08x = 23,678.18 × 13,188.32
  4. Step 4: Simplify right side
    17,154.08x = 312,275,414.86
  5. Step 5: Solve for x
    x = 312,275,414.86/17,154.08
  6. Step 6: Final answer
    x = 18,204.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.