Home / 9,445.85-14,169.28-2,871.53

Finding the Fourth Proportional to 9,445.85, 14,169.28 and 2,871.53

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Solution

The fourth proportional to 9,445.85, 14,169.28 and 2,871.53 is: 4,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.85 : 14,169.28 = 2,871.53 : x
  2. Step 2: Convert to fraction form
    9,445.85/14,169.28 = 2,871.53/x
  3. Step 3: Cross multiply
    9,445.85x = 14,169.28 × 2,871.53
  4. Step 4: Simplify right side
    9,445.85x = 40,687,512.60
  5. Step 5: Solve for x
    x = 40,687,512.60/9,445.85
  6. Step 6: Final answer
    x = 4,307.45

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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.