Home / 18,932.40-26,126.69-10,548.90

Finding the Fourth Proportional to 18,932.40, 26,126.69 and 10,548.90

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Solution

The fourth proportional to 18,932.40, 26,126.69 and 10,548.90 is: 14,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.40 : 26,126.69 = 10,548.90 : x
  2. Step 2: Convert to fraction form
    18,932.40/26,126.69 = 10,548.90/x
  3. Step 3: Cross multiply
    18,932.40x = 26,126.69 × 10,548.90
  4. Step 4: Simplify right side
    18,932.40x = 275,607,787.40
  5. Step 5: Solve for x
    x = 275,607,787.40/18,932.40
  6. Step 6: Final answer
    x = 14,557.47

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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.