Home / 17,981.13-24,815.81-10,813.39

Finding the Fourth Proportional to 17,981.13, 24,815.81 and 10,813.39

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Solution

The fourth proportional to 17,981.13, 24,815.81 and 10,813.39 is: 14,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.13 : 24,815.81 = 10,813.39 : x
  2. Step 2: Convert to fraction form
    17,981.13/24,815.81 = 10,813.39/x
  3. Step 3: Cross multiply
    17,981.13x = 24,815.81 × 10,813.39
  4. Step 4: Simplify right side
    17,981.13x = 268,343,031.70
  5. Step 5: Solve for x
    x = 268,343,031.70/17,981.13
  6. Step 6: Final answer
    x = 14,923.59

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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.