Home / 12,875.04-17,766.54-7,286.04

Finding the Fourth Proportional to 12,875.04, 17,766.54 and 7,286.04

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Solution

The fourth proportional to 12,875.04, 17,766.54 and 7,286.04 is: 10,054.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.04 : 17,766.54 = 7,286.04 : x
  2. Step 2: Convert to fraction form
    12,875.04/17,766.54 = 7,286.04/x
  3. Step 3: Cross multiply
    12,875.04x = 17,766.54 × 7,286.04
  4. Step 4: Simplify right side
    12,875.04x = 129,447,721.10
  5. Step 5: Solve for x
    x = 129,447,721.10/12,875.04
  6. Step 6: Final answer
    x = 10,054.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.