Home / 15,316.86-22,975.41-8,387.58

Finding the Fourth Proportional to 15,316.86, 22,975.41 and 8,387.58

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Solution

The fourth proportional to 15,316.86, 22,975.41 and 8,387.58 is: 12,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316.86 : 22,975.41 = 8,387.58 : x
  2. Step 2: Convert to fraction form
    15,316.86/22,975.41 = 8,387.58/x
  3. Step 3: Cross multiply
    15,316.86x = 22,975.41 × 8,387.58
  4. Step 4: Simplify right side
    15,316.86x = 192,708,089.41
  5. Step 5: Solve for x
    x = 192,708,089.41/15,316.86
  6. Step 6: Final answer
    x = 12,581.44

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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.