Home / 10,377.40-15,553.80-5,985.79

Finding the Fourth Proportional to 10,377.40, 15,553.80 and 5,985.79

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Solution

The fourth proportional to 10,377.40, 15,553.80 and 5,985.79 is: 8,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.40 : 15,553.80 = 5,985.79 : x
  2. Step 2: Convert to fraction form
    10,377.40/15,553.80 = 5,985.79/x
  3. Step 3: Cross multiply
    10,377.40x = 15,553.80 × 5,985.79
  4. Step 4: Simplify right side
    10,377.40x = 93,101,780.50
  5. Step 5: Solve for x
    x = 93,101,780.50/10,377.40
  6. Step 6: Final answer
    x = 8,971.59

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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.