Home / 19,760.28-29,652.12-7,289.07

Finding the Fourth Proportional to 19,760.28, 29,652.12 and 7,289.07

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Solution

The fourth proportional to 19,760.28, 29,652.12 and 7,289.07 is: 10,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.28 : 29,652.12 = 7,289.07 : x
  2. Step 2: Convert to fraction form
    19,760.28/29,652.12 = 7,289.07/x
  3. Step 3: Cross multiply
    19,760.28x = 29,652.12 × 7,289.07
  4. Step 4: Simplify right side
    19,760.28x = 216,136,378.33
  5. Step 5: Solve for x
    x = 216,136,378.33/19,760.28
  6. Step 6: Final answer
    x = 10,937.92

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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.