Home / 19,677.24-29,499.78-9,153.84

Finding the Fourth Proportional to 19,677.24, 29,499.78 and 9,153.84

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Solution

The fourth proportional to 19,677.24, 29,499.78 and 9,153.84 is: 13,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.24 : 29,499.78 = 9,153.84 : x
  2. Step 2: Convert to fraction form
    19,677.24/29,499.78 = 9,153.84/x
  3. Step 3: Cross multiply
    19,677.24x = 29,499.78 × 9,153.84
  4. Step 4: Simplify right side
    19,677.24x = 270,036,266.16
  5. Step 5: Solve for x
    x = 270,036,266.16/19,677.24
  6. Step 6: Final answer
    x = 13,723.28

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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.