Home / 15,241.45-21,034.02-8,526.68

Finding the Fourth Proportional to 15,241.45, 21,034.02 and 8,526.68

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Solution

The fourth proportional to 15,241.45, 21,034.02 and 8,526.68 is: 11,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.45 : 21,034.02 = 8,526.68 : x
  2. Step 2: Convert to fraction form
    15,241.45/21,034.02 = 8,526.68/x
  3. Step 3: Cross multiply
    15,241.45x = 21,034.02 × 8,526.68
  4. Step 4: Simplify right side
    15,241.45x = 179,350,386.92
  5. Step 5: Solve for x
    x = 179,350,386.92/15,241.45
  6. Step 6: Final answer
    x = 11,767.28

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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.