Home / 9,621.80-14,432.70-9,168.20

Finding the Fourth Proportional to 9,621.80, 14,432.70 and 9,168.20

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Solution

The fourth proportional to 9,621.80, 14,432.70 and 9,168.20 is: 13,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.80 : 14,432.70 = 9,168.20 : x
  2. Step 2: Convert to fraction form
    9,621.80/14,432.70 = 9,168.20/x
  3. Step 3: Cross multiply
    9,621.80x = 14,432.70 × 9,168.20
  4. Step 4: Simplify right side
    9,621.80x = 132,321,880.14
  5. Step 5: Solve for x
    x = 132,321,880.14/9,621.80
  6. Step 6: Final answer
    x = 13,752.30

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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.