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Finding the Fourth Proportional to 24,130.40, 36,194.40 and 12,444.80

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Solution

The fourth proportional to 24,130.40, 36,194.40 and 12,444.80 is: 18,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,130.40 : 36,194.40 = 12,444.80 : x
  2. Step 2: Convert to fraction form
    24,130.40/36,194.40 = 12,444.80/x
  3. Step 3: Cross multiply
    24,130.40x = 36,194.40 × 12,444.80
  4. Step 4: Simplify right side
    24,130.40x = 450,432,069.12
  5. Step 5: Solve for x
    x = 450,432,069.12/24,130.40
  6. Step 6: Final answer
    x = 18,666.58

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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.