Home / 21,445.62-32,168.46-9,762.18

Finding the Fourth Proportional to 21,445.62, 32,168.46 and 9,762.18

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Solution

The fourth proportional to 21,445.62, 32,168.46 and 9,762.18 is: 14,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,445.62 : 32,168.46 = 9,762.18 : x
  2. Step 2: Convert to fraction form
    21,445.62/32,168.46 = 9,762.18/x
  3. Step 3: Cross multiply
    21,445.62x = 32,168.46 × 9,762.18
  4. Step 4: Simplify right side
    21,445.62x = 314,034,296.84
  5. Step 5: Solve for x
    x = 314,034,296.84/21,445.62
  6. Step 6: Final answer
    x = 14,643.28

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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.