Home / 13,194.76-19,767.30-10,258.78

Finding the Fourth Proportional to 13,194.76, 19,767.30 and 10,258.78

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Solution

The fourth proportional to 13,194.76, 19,767.30 and 10,258.78 is: 15,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.76 : 19,767.30 = 10,258.78 : x
  2. Step 2: Convert to fraction form
    13,194.76/19,767.30 = 10,258.78/x
  3. Step 3: Cross multiply
    13,194.76x = 19,767.30 × 10,258.78
  4. Step 4: Simplify right side
    13,194.76x = 202,788,381.89
  5. Step 5: Solve for x
    x = 202,788,381.89/13,194.76
  6. Step 6: Final answer
    x = 15,368.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.