Home / 10,354.58-15,534.14-3,780.74

Finding the Fourth Proportional to 10,354.58, 15,534.14 and 3,780.74

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Solution

The fourth proportional to 10,354.58, 15,534.14 and 3,780.74 is: 5,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.58 : 15,534.14 = 3,780.74 : x
  2. Step 2: Convert to fraction form
    10,354.58/15,534.14 = 3,780.74/x
  3. Step 3: Cross multiply
    10,354.58x = 15,534.14 × 3,780.74
  4. Step 4: Simplify right side
    10,354.58x = 58,730,447.89
  5. Step 5: Solve for x
    x = 58,730,447.89/10,354.58
  6. Step 6: Final answer
    x = 5,671.93

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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.