Home / 9,570.69-13,198.79-6,339.17

Finding the Fourth Proportional to 9,570.69, 13,198.79 and 6,339.17

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Solution

The fourth proportional to 9,570.69, 13,198.79 and 6,339.17 is: 8,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570.69 : 13,198.79 = 6,339.17 : x
  2. Step 2: Convert to fraction form
    9,570.69/13,198.79 = 6,339.17/x
  3. Step 3: Cross multiply
    9,570.69x = 13,198.79 × 6,339.17
  4. Step 4: Simplify right side
    9,570.69x = 83,669,275.91
  5. Step 5: Solve for x
    x = 83,669,275.91/9,570.69
  6. Step 6: Final answer
    x = 8,742.24

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1.5x scale

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.