Home / 19,508.04-26,909.55-11,957.76

Finding the Fourth Proportional to 19,508.04, 26,909.55 and 11,957.76

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Solution

The fourth proportional to 19,508.04, 26,909.55 and 11,957.76 is: 16,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.04 : 26,909.55 = 11,957.76 : x
  2. Step 2: Convert to fraction form
    19,508.04/26,909.55 = 11,957.76/x
  3. Step 3: Cross multiply
    19,508.04x = 26,909.55 × 11,957.76
  4. Step 4: Simplify right side
    19,508.04x = 321,777,940.61
  5. Step 5: Solve for x
    x = 321,777,940.61/19,508.04
  6. Step 6: Final answer
    x = 16,494.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.