Home / 18,848.30-28,258.47-9,481.46

Finding the Fourth Proportional to 18,848.30, 28,258.47 and 9,481.46

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Solution

The fourth proportional to 18,848.30, 28,258.47 and 9,481.46 is: 14,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.30 : 28,258.47 = 9,481.46 : x
  2. Step 2: Convert to fraction form
    18,848.30/28,258.47 = 9,481.46/x
  3. Step 3: Cross multiply
    18,848.30x = 28,258.47 × 9,481.46
  4. Step 4: Simplify right side
    18,848.30x = 267,931,411.67
  5. Step 5: Solve for x
    x = 267,931,411.67/18,848.30
  6. Step 6: Final answer
    x = 14,215.15

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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.