Home / 10,066.35-15,084.13-4,219.77

Finding the Fourth Proportional to 10,066.35, 15,084.13 and 4,219.77

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Solution

The fourth proportional to 10,066.35, 15,084.13 and 4,219.77 is: 6,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.35 : 15,084.13 = 4,219.77 : x
  2. Step 2: Convert to fraction form
    10,066.35/15,084.13 = 4,219.77/x
  3. Step 3: Cross multiply
    10,066.35x = 15,084.13 × 4,219.77
  4. Step 4: Simplify right side
    10,066.35x = 63,651,559.25
  5. Step 5: Solve for x
    x = 63,651,559.25/10,066.35
  6. Step 6: Final answer
    x = 6,323.20

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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.