Home / 10,618.03-14,652.52-5,902.21

Finding the Fourth Proportional to 10,618.03, 14,652.52 and 5,902.21

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Solution

The fourth proportional to 10,618.03, 14,652.52 and 5,902.21 is: 8,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.03 : 14,652.52 = 5,902.21 : x
  2. Step 2: Convert to fraction form
    10,618.03/14,652.52 = 5,902.21/x
  3. Step 3: Cross multiply
    10,618.03x = 14,652.52 × 5,902.21
  4. Step 4: Simplify right side
    10,618.03x = 86,482,250.07
  5. Step 5: Solve for x
    x = 86,482,250.07/10,618.03
  6. Step 6: Final answer
    x = 8,144.85

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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.