Home / 10,387.44-15,584.81-4,548.15

Finding the Fourth Proportional to 10,387.44, 15,584.81 and 4,548.15

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Solution

The fourth proportional to 10,387.44, 15,584.81 and 4,548.15 is: 6,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.44 : 15,584.81 = 4,548.15 : x
  2. Step 2: Convert to fraction form
    10,387.44/15,584.81 = 4,548.15/x
  3. Step 3: Cross multiply
    10,387.44x = 15,584.81 × 4,548.15
  4. Step 4: Simplify right side
    10,387.44x = 70,882,030.86
  5. Step 5: Solve for x
    x = 70,882,030.86/10,387.44
  6. Step 6: Final answer
    x = 6,823.82

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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.