Home / 21,482.55-32,222.34-6,690.06

Finding the Fourth Proportional to 21,482.55, 32,222.34 and 6,690.06

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Solution

The fourth proportional to 21,482.55, 32,222.34 and 6,690.06 is: 10,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.55 : 32,222.34 = 6,690.06 : x
  2. Step 2: Convert to fraction form
    21,482.55/32,222.34 = 6,690.06/x
  3. Step 3: Cross multiply
    21,482.55x = 32,222.34 × 6,690.06
  4. Step 4: Simplify right side
    21,482.55x = 215,569,387.94
  5. Step 5: Solve for x
    x = 215,569,387.94/21,482.55
  6. Step 6: Final answer
    x = 10,034.63

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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.