Home / 18,763.04-28,158.40-8,902.32

Finding the Fourth Proportional to 18,763.04, 28,158.40 and 8,902.32

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Solution

The fourth proportional to 18,763.04, 28,158.40 and 8,902.32 is: 13,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,763.04 : 28,158.40 = 8,902.32 : x
  2. Step 2: Convert to fraction form
    18,763.04/28,158.40 = 8,902.32/x
  3. Step 3: Cross multiply
    18,763.04x = 28,158.40 × 8,902.32
  4. Step 4: Simplify right side
    18,763.04x = 250,675,087.49
  5. Step 5: Solve for x
    x = 250,675,087.49/18,763.04
  6. Step 6: Final answer
    x = 13,360.05

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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.