Home / 9,569.93-13,206.49-5,320.86

Finding the Fourth Proportional to 9,569.93, 13,206.49 and 5,320.86

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Solution

The fourth proportional to 9,569.93, 13,206.49 and 5,320.86 is: 7,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,569.93 : 13,206.49 = 5,320.86 : x
  2. Step 2: Convert to fraction form
    9,569.93/13,206.49 = 5,320.86/x
  3. Step 3: Cross multiply
    9,569.93x = 13,206.49 × 5,320.86
  4. Step 4: Simplify right side
    9,569.93x = 70,269,884.38
  5. Step 5: Solve for x
    x = 70,269,884.38/9,569.93
  6. Step 6: Final answer
    x = 7,342.78

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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.