Home / 15,044.76-20,750.58-9,735.48

Finding the Fourth Proportional to 15,044.76, 20,750.58 and 9,735.48

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Solution

The fourth proportional to 15,044.76, 20,750.58 and 9,735.48 is: 13,427.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.76 : 20,750.58 = 9,735.48 : x
  2. Step 2: Convert to fraction form
    15,044.76/20,750.58 = 9,735.48/x
  3. Step 3: Cross multiply
    15,044.76x = 20,750.58 × 9,735.48
  4. Step 4: Simplify right side
    15,044.76x = 202,016,856.58
  5. Step 5: Solve for x
    x = 202,016,856.58/15,044.76
  6. Step 6: Final answer
    x = 13,427.72

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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.