Home / 18,710.05-25,820.25-10,326.53

Finding the Fourth Proportional to 18,710.05, 25,820.25 and 10,326.53

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Solution

The fourth proportional to 18,710.05, 25,820.25 and 10,326.53 is: 14,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.05 : 25,820.25 = 10,326.53 : x
  2. Step 2: Convert to fraction form
    18,710.05/25,820.25 = 10,326.53/x
  3. Step 3: Cross multiply
    18,710.05x = 25,820.25 × 10,326.53
  4. Step 4: Simplify right side
    18,710.05x = 266,633,534.60
  5. Step 5: Solve for x
    x = 266,633,534.60/18,710.05
  6. Step 6: Final answer
    x = 14,250.82

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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.