Home / 18,710.16-25,820.05-10,326.66

Finding the Fourth Proportional to 18,710.16, 25,820.05 and 10,326.66

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Solution

The fourth proportional to 18,710.16, 25,820.05 and 10,326.66 is: 14,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.16 : 25,820.05 = 10,326.66 : x
  2. Step 2: Convert to fraction form
    18,710.16/25,820.05 = 10,326.66/x
  3. Step 3: Cross multiply
    18,710.16x = 25,820.05 × 10,326.66
  4. Step 4: Simplify right side
    18,710.16x = 266,634,774.25
  5. Step 5: Solve for x
    x = 266,634,774.25/18,710.16
  6. Step 6: Final answer
    x = 14,250.80

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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.