Home / 22,519.53-31,080.04-12,959.22

Finding the Fourth Proportional to 22,519.53, 31,080.04 and 12,959.22

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Solution

The fourth proportional to 22,519.53, 31,080.04 and 12,959.22 is: 17,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,519.53 : 31,080.04 = 12,959.22 : x
  2. Step 2: Convert to fraction form
    22,519.53/31,080.04 = 12,959.22/x
  3. Step 3: Cross multiply
    22,519.53x = 31,080.04 × 12,959.22
  4. Step 4: Simplify right side
    22,519.53x = 402,773,043.57
  5. Step 5: Solve for x
    x = 402,773,043.57/22,519.53
  6. Step 6: Final answer
    x = 17,885.50

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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.