Home / 19,389.24-29,076.30-8,301.24

Finding the Fourth Proportional to 19,389.24, 29,076.30 and 8,301.24

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Solution

The fourth proportional to 19,389.24, 29,076.30 and 8,301.24 is: 12,448.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.24 : 29,076.30 = 8,301.24 : x
  2. Step 2: Convert to fraction form
    19,389.24/29,076.30 = 8,301.24/x
  3. Step 3: Cross multiply
    19,389.24x = 29,076.30 × 8,301.24
  4. Step 4: Simplify right side
    19,389.24x = 241,369,344.61
  5. Step 5: Solve for x
    x = 241,369,344.61/19,389.24
  6. Step 6: Final answer
    x = 12,448.62

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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.