Home / 16,479.07-22,742.75-9,406.55

Finding the Fourth Proportional to 16,479.07, 22,742.75 and 9,406.55

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Solution

The fourth proportional to 16,479.07, 22,742.75 and 9,406.55 is: 12,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479.07 : 22,742.75 = 9,406.55 : x
  2. Step 2: Convert to fraction form
    16,479.07/22,742.75 = 9,406.55/x
  3. Step 3: Cross multiply
    16,479.07x = 22,742.75 × 9,406.55
  4. Step 4: Simplify right side
    16,479.07x = 213,930,895.39
  5. Step 5: Solve for x
    x = 213,930,895.39/16,479.07
  6. Step 6: Final answer
    x = 12,981.98

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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.