Home / 15,126.21-20,862.36-10,349.00

Finding the Fourth Proportional to 15,126.21, 20,862.36 and 10,349.00

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Solution

The fourth proportional to 15,126.21, 20,862.36 and 10,349.00 is: 14,273.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.21 : 20,862.36 = 10,349.00 : x
  2. Step 2: Convert to fraction form
    15,126.21/20,862.36 = 10,349.00/x
  3. Step 3: Cross multiply
    15,126.21x = 20,862.36 × 10,349.00
  4. Step 4: Simplify right side
    15,126.21x = 215,904,537.56
  5. Step 5: Solve for x
    x = 215,904,537.56/15,126.21
  6. Step 6: Final answer
    x = 14,273.54

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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.