Home / 12,150.04-18,225.96-4,358.92

Finding the Fourth Proportional to 12,150.04, 18,225.96 and 4,358.92

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Solution

The fourth proportional to 12,150.04, 18,225.96 and 4,358.92 is: 6,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.04 : 18,225.96 = 4,358.92 : x
  2. Step 2: Convert to fraction form
    12,150.04/18,225.96 = 4,358.92/x
  3. Step 3: Cross multiply
    12,150.04x = 18,225.96 × 4,358.92
  4. Step 4: Simplify right side
    12,150.04x = 79,445,501.56
  5. Step 5: Solve for x
    x = 79,445,501.56/12,150.04
  6. Step 6: Final answer
    x = 6,538.70

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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.