Home / 10,570.98-15,856.40-3,176.08

Finding the Fourth Proportional to 10,570.98, 15,856.40 and 3,176.08

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Solution

The fourth proportional to 10,570.98, 15,856.40 and 3,176.08 is: 4,764.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,570.98 : 15,856.40 = 3,176.08 : x
  2. Step 2: Convert to fraction form
    10,570.98/15,856.40 = 3,176.08/x
  3. Step 3: Cross multiply
    10,570.98x = 15,856.40 × 3,176.08
  4. Step 4: Simplify right side
    10,570.98x = 50,361,194.91
  5. Step 5: Solve for x
    x = 50,361,194.91/10,570.98
  6. Step 6: Final answer
    x = 4,764.10

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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.