Home / 14,869.17-20,518.04-8,900.72

Finding the Fourth Proportional to 14,869.17, 20,518.04 and 8,900.72

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Solution

The fourth proportional to 14,869.17, 20,518.04 and 8,900.72 is: 12,282.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.17 : 20,518.04 = 8,900.72 : x
  2. Step 2: Convert to fraction form
    14,869.17/20,518.04 = 8,900.72/x
  3. Step 3: Cross multiply
    14,869.17x = 20,518.04 × 8,900.72
  4. Step 4: Simplify right side
    14,869.17x = 182,625,181.90
  5. Step 5: Solve for x
    x = 182,625,181.90/14,869.17
  6. Step 6: Final answer
    x = 12,282.14

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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.