Home / 15,727.01-21,703.14-8,922.33

Finding the Fourth Proportional to 15,727.01, 21,703.14 and 8,922.33

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Solution

The fourth proportional to 15,727.01, 21,703.14 and 8,922.33 is: 12,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.01 : 21,703.14 = 8,922.33 : x
  2. Step 2: Convert to fraction form
    15,727.01/21,703.14 = 8,922.33/x
  3. Step 3: Cross multiply
    15,727.01x = 21,703.14 × 8,922.33
  4. Step 4: Simplify right side
    15,727.01x = 193,642,577.12
  5. Step 5: Solve for x
    x = 193,642,577.12/15,727.01
  6. Step 6: Final answer
    x = 12,312.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.