Home / 18,681.02-25,778.82-10,182.70

Finding the Fourth Proportional to 18,681.02, 25,778.82 and 10,182.70

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Solution

The fourth proportional to 18,681.02, 25,778.82 and 10,182.70 is: 14,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681.02 : 25,778.82 = 10,182.70 : x
  2. Step 2: Convert to fraction form
    18,681.02/25,778.82 = 10,182.70/x
  3. Step 3: Cross multiply
    18,681.02x = 25,778.82 × 10,182.70
  4. Step 4: Simplify right side
    18,681.02x = 262,497,990.41
  5. Step 5: Solve for x
    x = 262,497,990.41/18,681.02
  6. Step 6: Final answer
    x = 14,051.59

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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.