Home / 15,186.29-20,941.74-10,150.52

Finding the Fourth Proportional to 15,186.29, 20,941.74 and 10,150.52

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Solution

The fourth proportional to 15,186.29, 20,941.74 and 10,150.52 is: 13,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.29 : 20,941.74 = 10,150.52 : x
  2. Step 2: Convert to fraction form
    15,186.29/20,941.74 = 10,150.52/x
  3. Step 3: Cross multiply
    15,186.29x = 20,941.74 × 10,150.52
  4. Step 4: Simplify right side
    15,186.29x = 212,569,446.00
  5. Step 5: Solve for x
    x = 212,569,446.00/15,186.29
  6. Step 6: Final answer
    x = 13,997.46

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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.