Home / 8,018.59-11,054.49-6,911.32

Finding the Fourth Proportional to 8,018.59, 11,054.49 and 6,911.32

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Solution

The fourth proportional to 8,018.59, 11,054.49 and 6,911.32 is: 9,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.59 : 11,054.49 = 6,911.32 : x
  2. Step 2: Convert to fraction form
    8,018.59/11,054.49 = 6,911.32/x
  3. Step 3: Cross multiply
    8,018.59x = 11,054.49 × 6,911.32
  4. Step 4: Simplify right side
    8,018.59x = 76,401,117.83
  5. Step 5: Solve for x
    x = 76,401,117.83/8,018.59
  6. Step 6: Final answer
    x = 9,528.00

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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.