Home / 9,569.86-13,206.20-5,320.92

Finding the Fourth Proportional to 9,569.86, 13,206.20 and 5,320.92

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Solution

The fourth proportional to 9,569.86, 13,206.20 and 5,320.92 is: 7,342.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,569.86 : 13,206.20 = 5,320.92 : x
  2. Step 2: Convert to fraction form
    9,569.86/13,206.20 = 5,320.92/x
  3. Step 3: Cross multiply
    9,569.86x = 13,206.20 × 5,320.92
  4. Step 4: Simplify right side
    9,569.86x = 70,269,133.70
  5. Step 5: Solve for x
    x = 70,269,133.70/9,569.86
  6. Step 6: Final answer
    x = 7,342.75

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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.