Home / 9,326.93-12,871.14-5,135.18

Finding the Fourth Proportional to 9,326.93, 12,871.14 and 5,135.18

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Solution

The fourth proportional to 9,326.93, 12,871.14 and 5,135.18 is: 7,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.93 : 12,871.14 = 5,135.18 : x
  2. Step 2: Convert to fraction form
    9,326.93/12,871.14 = 5,135.18/x
  3. Step 3: Cross multiply
    9,326.93x = 12,871.14 × 5,135.18
  4. Step 4: Simplify right side
    9,326.93x = 66,095,620.71
  5. Step 5: Solve for x
    x = 66,095,620.71/9,326.93
  6. Step 6: Final answer
    x = 7,086.54

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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.