Home / 10,902.48-15,054.30-8,886.18

Finding the Fourth Proportional to 10,902.48, 15,054.30 and 8,886.18

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Solution

The fourth proportional to 10,902.48, 15,054.30 and 8,886.18 is: 12,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.48 : 15,054.30 = 8,886.18 : x
  2. Step 2: Convert to fraction form
    10,902.48/15,054.30 = 8,886.18/x
  3. Step 3: Cross multiply
    10,902.48x = 15,054.30 × 8,886.18
  4. Step 4: Simplify right side
    10,902.48x = 133,775,219.57
  5. Step 5: Solve for x
    x = 133,775,219.57/10,902.48
  6. Step 6: Final answer
    x = 12,270.16

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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.