Home / 10,896.16-15,036.40-5,928.16

Finding the Fourth Proportional to 10,896.16, 15,036.40 and 5,928.16

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Solution

The fourth proportional to 10,896.16, 15,036.40 and 5,928.16 is: 8,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.16 : 15,036.40 = 5,928.16 : x
  2. Step 2: Convert to fraction form
    10,896.16/15,036.40 = 5,928.16/x
  3. Step 3: Cross multiply
    10,896.16x = 15,036.40 × 5,928.16
  4. Step 4: Simplify right side
    10,896.16x = 89,138,185.02
  5. Step 5: Solve for x
    x = 89,138,185.02/10,896.16
  6. Step 6: Final answer
    x = 8,180.70

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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.