Home / 12,154.39-18,242.90-6,235.52

Finding the Fourth Proportional to 12,154.39, 18,242.90 and 6,235.52

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Solution

The fourth proportional to 12,154.39, 18,242.90 and 6,235.52 is: 9,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.39 : 18,242.90 = 6,235.52 : x
  2. Step 2: Convert to fraction form
    12,154.39/18,242.90 = 6,235.52/x
  3. Step 3: Cross multiply
    12,154.39x = 18,242.90 × 6,235.52
  4. Step 4: Simplify right side
    12,154.39x = 113,753,967.81
  5. Step 5: Solve for x
    x = 113,753,967.81/12,154.39
  6. Step 6: Final answer
    x = 9,359.08

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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.