Home / 14,150.70-21,220.02-7,126.38

Finding the Fourth Proportional to 14,150.70, 21,220.02 and 7,126.38

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Solution

The fourth proportional to 14,150.70, 21,220.02 and 7,126.38 is: 10,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.70 : 21,220.02 = 7,126.38 : x
  2. Step 2: Convert to fraction form
    14,150.70/21,220.02 = 7,126.38/x
  3. Step 3: Cross multiply
    14,150.70x = 21,220.02 × 7,126.38
  4. Step 4: Simplify right side
    14,150.70x = 151,221,926.13
  5. Step 5: Solve for x
    x = 151,221,926.13/14,150.70
  6. Step 6: Final answer
    x = 10,686.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.