Home / 10,816.52-16,210.64-5,547.08

Finding the Fourth Proportional to 10,816.52, 16,210.64 and 5,547.08

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Solution

The fourth proportional to 10,816.52, 16,210.64 and 5,547.08 is: 8,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.52 : 16,210.64 = 5,547.08 : x
  2. Step 2: Convert to fraction form
    10,816.52/16,210.64 = 5,547.08/x
  3. Step 3: Cross multiply
    10,816.52x = 16,210.64 × 5,547.08
  4. Step 4: Simplify right side
    10,816.52x = 89,921,716.93
  5. Step 5: Solve for x
    x = 89,921,716.93/10,816.52
  6. Step 6: Final answer
    x = 8,313.37

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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.