Home / 11,258.73-15,541.70-7,625.61

Finding the Fourth Proportional to 11,258.73, 15,541.70 and 7,625.61

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Solution

The fourth proportional to 11,258.73, 15,541.70 and 7,625.61 is: 10,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.73 : 15,541.70 = 7,625.61 : x
  2. Step 2: Convert to fraction form
    11,258.73/15,541.70 = 7,625.61/x
  3. Step 3: Cross multiply
    11,258.73x = 15,541.70 × 7,625.61
  4. Step 4: Simplify right side
    11,258.73x = 118,514,904.81
  5. Step 5: Solve for x
    x = 118,514,904.81/11,258.73
  6. Step 6: Final answer
    x = 10,526.49

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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.