Home / 18,389.67-25,377.86-10,006.23

Finding the Fourth Proportional to 18,389.67, 25,377.86 and 10,006.23

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Solution

The fourth proportional to 18,389.67, 25,377.86 and 10,006.23 is: 13,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.67 : 25,377.86 = 10,006.23 : x
  2. Step 2: Convert to fraction form
    18,389.67/25,377.86 = 10,006.23/x
  3. Step 3: Cross multiply
    18,389.67x = 25,377.86 × 10,006.23
  4. Step 4: Simplify right side
    18,389.67x = 253,936,654.04
  5. Step 5: Solve for x
    x = 253,936,654.04/18,389.67
  6. Step 6: Final answer
    x = 13,808.66

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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.