Home / 19,366.89-29,030.76-13,127.55

Finding the Fourth Proportional to 19,366.89, 29,030.76 and 13,127.55

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Solution

The fourth proportional to 19,366.89, 29,030.76 and 13,127.55 is: 19,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,366.89 : 29,030.76 = 13,127.55 : x
  2. Step 2: Convert to fraction form
    19,366.89/29,030.76 = 13,127.55/x
  3. Step 3: Cross multiply
    19,366.89x = 29,030.76 × 13,127.55
  4. Step 4: Simplify right side
    19,366.89x = 381,102,753.44
  5. Step 5: Solve for x
    x = 381,102,753.44/19,366.89
  6. Step 6: Final answer
    x = 19,678.06

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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.