Home / 11,110.80-15,332.04-6,394.17

Finding the Fourth Proportional to 11,110.80, 15,332.04 and 6,394.17

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Solution

The fourth proportional to 11,110.80, 15,332.04 and 6,394.17 is: 8,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.80 : 15,332.04 = 6,394.17 : x
  2. Step 2: Convert to fraction form
    11,110.80/15,332.04 = 6,394.17/x
  3. Step 3: Cross multiply
    11,110.80x = 15,332.04 × 6,394.17
  4. Step 4: Simplify right side
    11,110.80x = 98,035,670.21
  5. Step 5: Solve for x
    x = 98,035,670.21/11,110.80
  6. Step 6: Final answer
    x = 8,823.46

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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.