Home / 17,871.95-26,780.59-9,553.15

Finding the Fourth Proportional to 17,871.95, 26,780.59 and 9,553.15

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Solution

The fourth proportional to 17,871.95, 26,780.59 and 9,553.15 is: 14,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.95 : 26,780.59 = 9,553.15 : x
  2. Step 2: Convert to fraction form
    17,871.95/26,780.59 = 9,553.15/x
  3. Step 3: Cross multiply
    17,871.95x = 26,780.59 × 9,553.15
  4. Step 4: Simplify right side
    17,871.95x = 255,839,038.78
  5. Step 5: Solve for x
    x = 255,839,038.78/17,871.95
  6. Step 6: Final answer
    x = 14,315.11

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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.