Home / 9,439.35-14,159.71-2,865.53

Finding the Fourth Proportional to 9,439.35, 14,159.71 and 2,865.53

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Solution

The fourth proportional to 9,439.35, 14,159.71 and 2,865.53 is: 4,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.35 : 14,159.71 = 2,865.53 : x
  2. Step 2: Convert to fraction form
    9,439.35/14,159.71 = 2,865.53/x
  3. Step 3: Cross multiply
    9,439.35x = 14,159.71 × 2,865.53
  4. Step 4: Simplify right side
    9,439.35x = 40,575,033.13
  5. Step 5: Solve for x
    x = 40,575,033.13/9,439.35
  6. Step 6: Final answer
    x = 4,298.50

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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.