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Finding the Fourth Proportional to 14,988.44, 22,482.66 and 8,420.76

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Solution

The fourth proportional to 14,988.44, 22,482.66 and 8,420.76 is: 12,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.44 : 22,482.66 = 8,420.76 : x
  2. Step 2: Convert to fraction form
    14,988.44/22,482.66 = 8,420.76/x
  3. Step 3: Cross multiply
    14,988.44x = 22,482.66 × 8,420.76
  4. Step 4: Simplify right side
    14,988.44x = 189,321,084.02
  5. Step 5: Solve for x
    x = 189,321,084.02/14,988.44
  6. Step 6: Final answer
    x = 12,631.14

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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.