Home / 19,777.06-29,677.29-7,305.90

Finding the Fourth Proportional to 19,777.06, 29,677.29 and 7,305.90

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Solution

The fourth proportional to 19,777.06, 29,677.29 and 7,305.90 is: 10,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.06 : 29,677.29 = 7,305.90 : x
  2. Step 2: Convert to fraction form
    19,777.06/29,677.29 = 7,305.90/x
  3. Step 3: Cross multiply
    19,777.06x = 29,677.29 × 7,305.90
  4. Step 4: Simplify right side
    19,777.06x = 216,819,174.32
  5. Step 5: Solve for x
    x = 216,819,174.32/19,777.06
  6. Step 6: Final answer
    x = 10,963.16

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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.