Home / 9,020.20-13,493.85-7,801.15

Finding the Fourth Proportional to 9,020.20, 13,493.85 and 7,801.15

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Solution

The fourth proportional to 9,020.20, 13,493.85 and 7,801.15 is: 11,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.20 : 13,493.85 = 7,801.15 : x
  2. Step 2: Convert to fraction form
    9,020.20/13,493.85 = 7,801.15/x
  3. Step 3: Cross multiply
    9,020.20x = 13,493.85 × 7,801.15
  4. Step 4: Simplify right side
    9,020.20x = 105,267,547.93
  5. Step 5: Solve for x
    x = 105,267,547.93/9,020.20
  6. Step 6: Final answer
    x = 11,670.20

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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.