Home / 10,581.64-15,871.34-4,342.31

Finding the Fourth Proportional to 10,581.64, 15,871.34 and 4,342.31

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Solution

The fourth proportional to 10,581.64, 15,871.34 and 4,342.31 is: 6,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.64 : 15,871.34 = 4,342.31 : x
  2. Step 2: Convert to fraction form
    10,581.64/15,871.34 = 4,342.31/x
  3. Step 3: Cross multiply
    10,581.64x = 15,871.34 × 4,342.31
  4. Step 4: Simplify right side
    10,581.64x = 68,918,269.41
  5. Step 5: Solve for x
    x = 68,918,269.41/10,581.64
  6. Step 6: Final answer
    x = 6,513.01

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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.