Home / 18,924.12-28,342.92-9,070.32

Finding the Fourth Proportional to 18,924.12, 28,342.92 and 9,070.32

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Solution

The fourth proportional to 18,924.12, 28,342.92 and 9,070.32 is: 13,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,924.12 : 28,342.92 = 9,070.32 : x
  2. Step 2: Convert to fraction form
    18,924.12/28,342.92 = 9,070.32/x
  3. Step 3: Cross multiply
    18,924.12x = 28,342.92 × 9,070.32
  4. Step 4: Simplify right side
    18,924.12x = 257,079,354.13
  5. Step 5: Solve for x
    x = 257,079,354.13/18,924.12
  6. Step 6: Final answer
    x = 13,584.75

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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.