Home / 18,934.40-26,127.60-10,550

Finding the Fourth Proportional to 18,934.40, 26,127.60 and 10,550

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Solution

The fourth proportional to 18,934.40, 26,127.60 and 10,550 is: 14,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.40 : 26,127.60 = 10,550 : x
  2. Step 2: Convert to fraction form
    18,934.40/26,127.60 = 10,550/x
  3. Step 3: Cross multiply
    18,934.40x = 26,127.60 × 10,550
  4. Step 4: Simplify right side
    18,934.40x = 275,646,180
  5. Step 5: Solve for x
    x = 275,646,180/18,934.40
  6. Step 6: Final answer
    x = 14,557.96

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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.