Home / 8,694.68-12,030.30-7,577.95

Finding the Fourth Proportional to 8,694.68, 12,030.30 and 7,577.95

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Solution

The fourth proportional to 8,694.68, 12,030.30 and 7,577.95 is: 10,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.68 : 12,030.30 = 7,577.95 : x
  2. Step 2: Convert to fraction form
    8,694.68/12,030.30 = 7,577.95/x
  3. Step 3: Cross multiply
    8,694.68x = 12,030.30 × 7,577.95
  4. Step 4: Simplify right side
    8,694.68x = 91,164,981.81
  5. Step 5: Solve for x
    x = 91,164,981.81/8,694.68
  6. Step 6: Final answer
    x = 10,485.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.