Home / 18,852.04-28,258.62-8,471.08

Finding the Fourth Proportional to 18,852.04, 28,258.62 and 8,471.08

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Solution

The fourth proportional to 18,852.04, 28,258.62 and 8,471.08 is: 12,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.04 : 28,258.62 = 8,471.08 : x
  2. Step 2: Convert to fraction form
    18,852.04/28,258.62 = 8,471.08/x
  3. Step 3: Cross multiply
    18,852.04x = 28,258.62 × 8,471.08
  4. Step 4: Simplify right side
    18,852.04x = 239,381,081.92
  5. Step 5: Solve for x
    x = 239,381,081.92/18,852.04
  6. Step 6: Final answer
    x = 12,697.89

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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.