Home / 19,178.34-26,459.76-11,214.92

Finding the Fourth Proportional to 19,178.34, 26,459.76 and 11,214.92

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Solution

The fourth proportional to 19,178.34, 26,459.76 and 11,214.92 is: 15,472.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.34 : 26,459.76 = 11,214.92 : x
  2. Step 2: Convert to fraction form
    19,178.34/26,459.76 = 11,214.92/x
  3. Step 3: Cross multiply
    19,178.34x = 26,459.76 × 11,214.92
  4. Step 4: Simplify right side
    19,178.34x = 296,744,091.62
  5. Step 5: Solve for x
    x = 296,744,091.62/19,178.34
  6. Step 6: Final answer
    x = 15,472.88

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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.