Home / 12,089.73-18,123.64-4,296.72

Finding the Fourth Proportional to 12,089.73, 18,123.64 and 4,296.72

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Solution

The fourth proportional to 12,089.73, 18,123.64 and 4,296.72 is: 6,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.73 : 18,123.64 = 4,296.72 : x
  2. Step 2: Convert to fraction form
    12,089.73/18,123.64 = 4,296.72/x
  3. Step 3: Cross multiply
    12,089.73x = 18,123.64 × 4,296.72
  4. Step 4: Simplify right side
    12,089.73x = 77,872,206.46
  5. Step 5: Solve for x
    x = 77,872,206.46/12,089.73
  6. Step 6: Final answer
    x = 6,441.19

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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.