Home / 9,326.04-12,870.30-5,134.68

Finding the Fourth Proportional to 9,326.04, 12,870.30 and 5,134.68

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Solution

The fourth proportional to 9,326.04, 12,870.30 and 5,134.68 is: 7,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.04 : 12,870.30 = 5,134.68 : x
  2. Step 2: Convert to fraction form
    9,326.04/12,870.30 = 5,134.68/x
  3. Step 3: Cross multiply
    9,326.04x = 12,870.30 × 5,134.68
  4. Step 4: Simplify right side
    9,326.04x = 66,084,872.00
  5. Step 5: Solve for x
    x = 66,084,872.00/9,326.04
  6. Step 6: Final answer
    x = 7,086.06

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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.