Home / 21,330.67-32,002.16-6,541.77

Finding the Fourth Proportional to 21,330.67, 32,002.16 and 6,541.77

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Solution

The fourth proportional to 21,330.67, 32,002.16 and 6,541.77 is: 9,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330.67 : 32,002.16 = 6,541.77 : x
  2. Step 2: Convert to fraction form
    21,330.67/32,002.16 = 6,541.77/x
  3. Step 3: Cross multiply
    21,330.67x = 32,002.16 × 6,541.77
  4. Step 4: Simplify right side
    21,330.67x = 209,350,770.22
  5. Step 5: Solve for x
    x = 209,350,770.22/21,330.67
  6. Step 6: Final answer
    x = 9,814.54

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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.