Home / 19,463.76-26,878.68-13,510.80

Finding the Fourth Proportional to 19,463.76, 26,878.68 and 13,510.80

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Solution

The fourth proportional to 19,463.76, 26,878.68 and 13,510.80 is: 18,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,463.76 : 26,878.68 = 13,510.80 : x
  2. Step 2: Convert to fraction form
    19,463.76/26,878.68 = 13,510.80/x
  3. Step 3: Cross multiply
    19,463.76x = 26,878.68 × 13,510.80
  4. Step 4: Simplify right side
    19,463.76x = 363,152,469.74
  5. Step 5: Solve for x
    x = 363,152,469.74/19,463.76
  6. Step 6: Final answer
    x = 18,657.88

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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.