Home / 15,603.92-21,523.56-10,886.48

Finding the Fourth Proportional to 15,603.92, 21,523.56 and 10,886.48

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Solution

The fourth proportional to 15,603.92, 21,523.56 and 10,886.48 is: 15,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.92 : 21,523.56 = 10,886.48 : x
  2. Step 2: Convert to fraction form
    15,603.92/21,523.56 = 10,886.48/x
  3. Step 3: Cross multiply
    15,603.92x = 21,523.56 × 10,886.48
  4. Step 4: Simplify right side
    15,603.92x = 234,315,805.47
  5. Step 5: Solve for x
    x = 234,315,805.47/15,603.92
  6. Step 6: Final answer
    x = 15,016.47

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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.