Home / 11,085.16-15,283.92-6,886.12

Finding the Fourth Proportional to 11,085.16, 15,283.92 and 6,886.12

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Solution

The fourth proportional to 11,085.16, 15,283.92 and 6,886.12 is: 9,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.16 : 15,283.92 = 6,886.12 : x
  2. Step 2: Convert to fraction form
    11,085.16/15,283.92 = 6,886.12/x
  3. Step 3: Cross multiply
    11,085.16x = 15,283.92 × 6,886.12
  4. Step 4: Simplify right side
    11,085.16x = 105,246,907.19
  5. Step 5: Solve for x
    x = 105,246,907.19/11,085.16
  6. Step 6: Final answer
    x = 9,494.40

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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.