Home / 10,896.40-15,045.48-8,374.52

Finding the Fourth Proportional to 10,896.40, 15,045.48 and 8,374.52

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Solution

The fourth proportional to 10,896.40, 15,045.48 and 8,374.52 is: 11,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.40 : 15,045.48 = 8,374.52 : x
  2. Step 2: Convert to fraction form
    10,896.40/15,045.48 = 8,374.52/x
  3. Step 3: Cross multiply
    10,896.40x = 15,045.48 × 8,374.52
  4. Step 4: Simplify right side
    10,896.40x = 125,998,673.17
  5. Step 5: Solve for x
    x = 125,998,673.17/10,896.40
  6. Step 6: Final answer
    x = 11,563.33

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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.