Home / 9,017.64-13,514.94-7,842.78

Finding the Fourth Proportional to 9,017.64, 13,514.94 and 7,842.78

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Solution

The fourth proportional to 9,017.64, 13,514.94 and 7,842.78 is: 11,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.64 : 13,514.94 = 7,842.78 : x
  2. Step 2: Convert to fraction form
    9,017.64/13,514.94 = 7,842.78/x
  3. Step 3: Cross multiply
    9,017.64x = 13,514.94 × 7,842.78
  4. Step 4: Simplify right side
    9,017.64x = 105,994,701.13
  5. Step 5: Solve for x
    x = 105,994,701.13/9,017.64
  6. Step 6: Final answer
    x = 11,754.15

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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.