Home / 9,042.03-13,551.50-7,867.13

Finding the Fourth Proportional to 9,042.03, 13,551.50 and 7,867.13

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Solution

The fourth proportional to 9,042.03, 13,551.50 and 7,867.13 is: 11,790.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.03 : 13,551.50 = 7,867.13 : x
  2. Step 2: Convert to fraction form
    9,042.03/13,551.50 = 7,867.13/x
  3. Step 3: Cross multiply
    9,042.03x = 13,551.50 × 7,867.13
  4. Step 4: Simplify right side
    9,042.03x = 106,611,364.11
  5. Step 5: Solve for x
    x = 106,611,364.11/9,042.03
  6. Step 6: Final answer
    x = 11,790.64

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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.