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Finding the Fourth Proportional to 24,904.80, 37,357.20 and 9,109.80

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Solution

The fourth proportional to 24,904.80, 37,357.20 and 9,109.80 is: 13,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,904.80 : 37,357.20 = 9,109.80 : x
  2. Step 2: Convert to fraction form
    24,904.80/37,357.20 = 9,109.80/x
  3. Step 3: Cross multiply
    24,904.80x = 37,357.20 × 9,109.80
  4. Step 4: Simplify right side
    24,904.80x = 340,316,620.56
  5. Step 5: Solve for x
    x = 340,316,620.56/24,904.80
  6. Step 6: Final answer
    x = 13,664.70

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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.