Home / 18,258.82-25,197.14-9,875.32

Finding the Fourth Proportional to 18,258.82, 25,197.14 and 9,875.32

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Solution

The fourth proportional to 18,258.82, 25,197.14 and 9,875.32 is: 13,627.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.82 : 25,197.14 = 9,875.32 : x
  2. Step 2: Convert to fraction form
    18,258.82/25,197.14 = 9,875.32/x
  3. Step 3: Cross multiply
    18,258.82x = 25,197.14 × 9,875.32
  4. Step 4: Simplify right side
    18,258.82x = 248,829,820.58
  5. Step 5: Solve for x
    x = 248,829,820.58/18,258.82
  6. Step 6: Final answer
    x = 13,627.92

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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.