Home / 21,968.05-32,957.29-7,176.95

Finding the Fourth Proportional to 21,968.05, 32,957.29 and 7,176.95

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Solution

The fourth proportional to 21,968.05, 32,957.29 and 7,176.95 is: 10,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.05 : 32,957.29 = 7,176.95 : x
  2. Step 2: Convert to fraction form
    21,968.05/32,957.29 = 7,176.95/x
  3. Step 3: Cross multiply
    21,968.05x = 32,957.29 × 7,176.95
  4. Step 4: Simplify right side
    21,968.05x = 236,532,657.68
  5. Step 5: Solve for x
    x = 236,532,657.68/21,968.05
  6. Step 6: Final answer
    x = 10,767.12

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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.