Home / 19,707.30-29,528.15-13,851.61

Finding the Fourth Proportional to 19,707.30, 29,528.15 and 13,851.61

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Solution

The fourth proportional to 19,707.30, 29,528.15 and 13,851.61 is: 20,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.30 : 29,528.15 = 13,851.61 : x
  2. Step 2: Convert to fraction form
    19,707.30/29,528.15 = 13,851.61/x
  3. Step 3: Cross multiply
    19,707.30x = 29,528.15 × 13,851.61
  4. Step 4: Simplify right side
    19,707.30x = 409,012,274.74
  5. Step 5: Solve for x
    x = 409,012,274.74/19,707.30
  6. Step 6: Final answer
    x = 20,754.35

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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.