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Finding the Fourth Proportional to 16,461.39, 24,692.93 and 9,439.53

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Solution

The fourth proportional to 16,461.39, 24,692.93 and 9,439.53 is: 14,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,461.39 : 24,692.93 = 9,439.53 : x
  2. Step 2: Convert to fraction form
    16,461.39/24,692.93 = 9,439.53/x
  3. Step 3: Cross multiply
    16,461.39x = 24,692.93 × 9,439.53
  4. Step 4: Simplify right side
    16,461.39x = 233,089,606.33
  5. Step 5: Solve for x
    x = 233,089,606.33/16,461.39
  6. Step 6: Final answer
    x = 14,159.78

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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.