Home / 12,267.18-18,400.80-3,502.10

Finding the Fourth Proportional to 12,267.18, 18,400.80 and 3,502.10

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Solution

The fourth proportional to 12,267.18, 18,400.80 and 3,502.10 is: 5,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.18 : 18,400.80 = 3,502.10 : x
  2. Step 2: Convert to fraction form
    12,267.18/18,400.80 = 3,502.10/x
  3. Step 3: Cross multiply
    12,267.18x = 18,400.80 × 3,502.10
  4. Step 4: Simplify right side
    12,267.18x = 64,441,332.17
  5. Step 5: Solve for x
    x = 64,441,332.17/12,267.18
  6. Step 6: Final answer
    x = 5,253.15

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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.