Home / 10,558.43-15,820.97-8,574.41

Finding the Fourth Proportional to 10,558.43, 15,820.97 and 8,574.41

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Solution

The fourth proportional to 10,558.43, 15,820.97 and 8,574.41 is: 12,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.43 : 15,820.97 = 8,574.41 : x
  2. Step 2: Convert to fraction form
    10,558.43/15,820.97 = 8,574.41/x
  3. Step 3: Cross multiply
    10,558.43x = 15,820.97 × 8,574.41
  4. Step 4: Simplify right side
    10,558.43x = 135,655,475.47
  5. Step 5: Solve for x
    x = 135,655,475.47/10,558.43
  6. Step 6: Final answer
    x = 12,848.07

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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.