Home / 13,252.47-19,878.54-3,892.15

Finding the Fourth Proportional to 13,252.47, 19,878.54 and 3,892.15

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Solution

The fourth proportional to 13,252.47, 19,878.54 and 3,892.15 is: 5,838.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.47 : 19,878.54 = 3,892.15 : x
  2. Step 2: Convert to fraction form
    13,252.47/19,878.54 = 3,892.15/x
  3. Step 3: Cross multiply
    13,252.47x = 19,878.54 × 3,892.15
  4. Step 4: Simplify right side
    13,252.47x = 77,370,269.71
  5. Step 5: Solve for x
    x = 77,370,269.71/13,252.47
  6. Step 6: Final answer
    x = 5,838.18

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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.