Home / 18,844.43-28,267.27-9,479.35

Finding the Fourth Proportional to 18,844.43, 28,267.27 and 9,479.35

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Solution

The fourth proportional to 18,844.43, 28,267.27 and 9,479.35 is: 14,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.43 : 28,267.27 = 9,479.35 : x
  2. Step 2: Convert to fraction form
    18,844.43/28,267.27 = 9,479.35/x
  3. Step 3: Cross multiply
    18,844.43x = 28,267.27 × 9,479.35
  4. Step 4: Simplify right side
    18,844.43x = 267,955,225.17
  5. Step 5: Solve for x
    x = 267,955,225.17/18,844.43
  6. Step 6: Final answer
    x = 14,219.33

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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.