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Finding the Fourth Proportional to 8,999.34, 13,499.01 and 2,425.53

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Solution

The fourth proportional to 8,999.34, 13,499.01 and 2,425.53 is: 3,638.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.34 : 13,499.01 = 2,425.53 : x
  2. Step 2: Convert to fraction form
    8,999.34/13,499.01 = 2,425.53/x
  3. Step 3: Cross multiply
    8,999.34x = 13,499.01 × 2,425.53
  4. Step 4: Simplify right side
    8,999.34x = 32,742,253.73
  5. Step 5: Solve for x
    x = 32,742,253.73/8,999.34
  6. Step 6: Final answer
    x = 3,638.30

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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.