Home / 9,194.04-12,687.40-5,215.06

Finding the Fourth Proportional to 9,194.04, 12,687.40 and 5,215.06

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Solution

The fourth proportional to 9,194.04, 12,687.40 and 5,215.06 is: 7,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.04 : 12,687.40 = 5,215.06 : x
  2. Step 2: Convert to fraction form
    9,194.04/12,687.40 = 5,215.06/x
  3. Step 3: Cross multiply
    9,194.04x = 12,687.40 × 5,215.06
  4. Step 4: Simplify right side
    9,194.04x = 66,165,526.17
  5. Step 5: Solve for x
    x = 66,165,526.17/9,194.04
  6. Step 6: Final answer
    x = 7,196.57

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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.