Home / 8,694.20-13,041.30-6,646.20

Finding the Fourth Proportional to 8,694.20, 13,041.30 and 6,646.20

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Solution

The fourth proportional to 8,694.20, 13,041.30 and 6,646.20 is: 9,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.20 : 13,041.30 = 6,646.20 : x
  2. Step 2: Convert to fraction form
    8,694.20/13,041.30 = 6,646.20/x
  3. Step 3: Cross multiply
    8,694.20x = 13,041.30 × 6,646.20
  4. Step 4: Simplify right side
    8,694.20x = 86,675,088.06
  5. Step 5: Solve for x
    x = 86,675,088.06/8,694.20
  6. Step 6: Final answer
    x = 9,969.30

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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.