Home / 15,258.96-21,057.71-10,790.73

Finding the Fourth Proportional to 15,258.96, 21,057.71 and 10,790.73

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Solution

The fourth proportional to 15,258.96, 21,057.71 and 10,790.73 is: 14,891.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.96 : 21,057.71 = 10,790.73 : x
  2. Step 2: Convert to fraction form
    15,258.96/21,057.71 = 10,790.73/x
  3. Step 3: Cross multiply
    15,258.96x = 21,057.71 × 10,790.73
  4. Step 4: Simplify right side
    15,258.96x = 227,228,009.07
  5. Step 5: Solve for x
    x = 227,228,009.07/15,258.96
  6. Step 6: Final answer
    x = 14,891.45

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Half scale
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Double scale
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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.