Home / 19,077.12-28,623.88-9,223.76

Finding the Fourth Proportional to 19,077.12, 28,623.88 and 9,223.76

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Solution

The fourth proportional to 19,077.12, 28,623.88 and 9,223.76 is: 13,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.12 : 28,623.88 = 9,223.76 : x
  2. Step 2: Convert to fraction form
    19,077.12/28,623.88 = 9,223.76/x
  3. Step 3: Cross multiply
    19,077.12x = 28,623.88 × 9,223.76
  4. Step 4: Simplify right side
    19,077.12x = 264,019,799.39
  5. Step 5: Solve for x
    x = 264,019,799.39/19,077.12
  6. Step 6: Final answer
    x = 13,839.60

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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.