Home / 8,560.08-11,727.12-8,240.28

Finding the Fourth Proportional to 8,560.08, 11,727.12 and 8,240.28

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Solution

The fourth proportional to 8,560.08, 11,727.12 and 8,240.28 is: 11,289.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.08 : 11,727.12 = 8,240.28 : x
  2. Step 2: Convert to fraction form
    8,560.08/11,727.12 = 8,240.28/x
  3. Step 3: Cross multiply
    8,560.08x = 11,727.12 × 8,240.28
  4. Step 4: Simplify right side
    8,560.08x = 96,634,752.39
  5. Step 5: Solve for x
    x = 96,634,752.39/8,560.08
  6. Step 6: Final answer
    x = 11,289.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.