Home / 23,162.45-31,963.95-13,090.70

Finding the Fourth Proportional to 23,162.45, 31,963.95 and 13,090.70

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Solution

The fourth proportional to 23,162.45, 31,963.95 and 13,090.70 is: 18,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,162.45 : 31,963.95 = 13,090.70 : x
  2. Step 2: Convert to fraction form
    23,162.45/31,963.95 = 13,090.70/x
  3. Step 3: Cross multiply
    23,162.45x = 31,963.95 × 13,090.70
  4. Step 4: Simplify right side
    23,162.45x = 418,430,320.45
  5. Step 5: Solve for x
    x = 418,430,320.45/23,162.45
  6. Step 6: Final answer
    x = 18,065.03

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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.