Home / 10,896.12-15,036.80-6,117.10

Finding the Fourth Proportional to 10,896.12, 15,036.80 and 6,117.10

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Solution

The fourth proportional to 10,896.12, 15,036.80 and 6,117.10 is: 8,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.12 : 15,036.80 = 6,117.10 : x
  2. Step 2: Convert to fraction form
    10,896.12/15,036.80 = 6,117.10/x
  3. Step 3: Cross multiply
    10,896.12x = 15,036.80 × 6,117.10
  4. Step 4: Simplify right side
    10,896.12x = 91,981,541.10
  5. Step 5: Solve for x
    x = 91,981,541.10/10,896.12
  6. Step 6: Final answer
    x = 8,441.68

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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.