Home / 21,510.72-32,260.20-6,519.48

Finding the Fourth Proportional to 21,510.72, 32,260.20 and 6,519.48

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Solution

The fourth proportional to 21,510.72, 32,260.20 and 6,519.48 is: 9,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510.72 : 32,260.20 = 6,519.48 : x
  2. Step 2: Convert to fraction form
    21,510.72/32,260.20 = 6,519.48/x
  3. Step 3: Cross multiply
    21,510.72x = 32,260.20 × 6,519.48
  4. Step 4: Simplify right side
    21,510.72x = 210,319,728.70
  5. Step 5: Solve for x
    x = 210,319,728.70/21,510.72
  6. Step 6: Final answer
    x = 9,777.44

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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.