Home / 21,965.13-32,927.54-7,921.86

Finding the Fourth Proportional to 21,965.13, 32,927.54 and 7,921.86

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Solution

The fourth proportional to 21,965.13, 32,927.54 and 7,921.86 is: 11,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965.13 : 32,927.54 = 7,921.86 : x
  2. Step 2: Convert to fraction form
    21,965.13/32,927.54 = 7,921.86/x
  3. Step 3: Cross multiply
    21,965.13x = 32,927.54 × 7,921.86
  4. Step 4: Simplify right side
    21,965.13x = 260,847,322.42
  5. Step 5: Solve for x
    x = 260,847,322.42/21,965.13
  6. Step 6: Final answer
    x = 11,875.52

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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.