Home / 9,816.80-13,545.68-5,837.84

Finding the Fourth Proportional to 9,816.80, 13,545.68 and 5,837.84

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Solution

The fourth proportional to 9,816.80, 13,545.68 and 5,837.84 is: 8,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.80 : 13,545.68 = 5,837.84 : x
  2. Step 2: Convert to fraction form
    9,816.80/13,545.68 = 5,837.84/x
  3. Step 3: Cross multiply
    9,816.80x = 13,545.68 × 5,837.84
  4. Step 4: Simplify right side
    9,816.80x = 79,077,512.53
  5. Step 5: Solve for x
    x = 79,077,512.53/9,816.80
  6. Step 6: Final answer
    x = 8,055.32

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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.