Home / 17,343.40-26,015.10-14,621.80

Finding the Fourth Proportional to 17,343.40, 26,015.10 and 14,621.80

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Solution

The fourth proportional to 17,343.40, 26,015.10 and 14,621.80 is: 21,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,343.40 : 26,015.10 = 14,621.80 : x
  2. Step 2: Convert to fraction form
    17,343.40/26,015.10 = 14,621.80/x
  3. Step 3: Cross multiply
    17,343.40x = 26,015.10 × 14,621.80
  4. Step 4: Simplify right side
    17,343.40x = 380,387,589.18
  5. Step 5: Solve for x
    x = 380,387,589.18/17,343.40
  6. Step 6: Final answer
    x = 21,932.70

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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.