Home / 21,552.12-32,328.16-6,762.18

Finding the Fourth Proportional to 21,552.12, 32,328.16 and 6,762.18

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Solution

The fourth proportional to 21,552.12, 32,328.16 and 6,762.18 is: 10,143.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552.12 : 32,328.16 = 6,762.18 : x
  2. Step 2: Convert to fraction form
    21,552.12/32,328.16 = 6,762.18/x
  3. Step 3: Cross multiply
    21,552.12x = 32,328.16 × 6,762.18
  4. Step 4: Simplify right side
    21,552.12x = 218,608,803.18
  5. Step 5: Solve for x
    x = 218,608,803.18/21,552.12
  6. Step 6: Final answer
    x = 10,143.26

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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.