Home / 14,781.80-22,178.10-6,984.76

Finding the Fourth Proportional to 14,781.80, 22,178.10 and 6,984.76

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Solution

The fourth proportional to 14,781.80, 22,178.10 and 6,984.76 is: 10,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.80 : 22,178.10 = 6,984.76 : x
  2. Step 2: Convert to fraction form
    14,781.80/22,178.10 = 6,984.76/x
  3. Step 3: Cross multiply
    14,781.80x = 22,178.10 × 6,984.76
  4. Step 4: Simplify right side
    14,781.80x = 154,908,705.76
  5. Step 5: Solve for x
    x = 154,908,705.76/14,781.80
  6. Step 6: Final answer
    x = 10,479.69

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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.