Home / 10,387.86-15,581.19-4,544.46

Finding the Fourth Proportional to 10,387.86, 15,581.19 and 4,544.46

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Solution

The fourth proportional to 10,387.86, 15,581.19 and 4,544.46 is: 6,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.86 : 15,581.19 = 4,544.46 : x
  2. Step 2: Convert to fraction form
    10,387.86/15,581.19 = 4,544.46/x
  3. Step 3: Cross multiply
    10,387.86x = 15,581.19 × 4,544.46
  4. Step 4: Simplify right side
    10,387.86x = 70,808,094.71
  5. Step 5: Solve for x
    x = 70,808,094.71/10,387.86
  6. Step 6: Final answer
    x = 6,816.43

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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.