Home / 12,063.69-18,123.33-11,565.47

Finding the Fourth Proportional to 12,063.69, 18,123.33 and 11,565.47

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Solution

The fourth proportional to 12,063.69, 18,123.33 and 11,565.47 is: 17,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.69 : 18,123.33 = 11,565.47 : x
  2. Step 2: Convert to fraction form
    12,063.69/18,123.33 = 11,565.47/x
  3. Step 3: Cross multiply
    12,063.69x = 18,123.33 × 11,565.47
  4. Step 4: Simplify right side
    12,063.69x = 209,604,738.80
  5. Step 5: Solve for x
    x = 209,604,738.80/12,063.69
  6. Step 6: Final answer
    x = 17,374.84

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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.