Home / 11,117.17-15,343.59-6,404.19

Finding the Fourth Proportional to 11,117.17, 15,343.59 and 6,404.19

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Solution

The fourth proportional to 11,117.17, 15,343.59 and 6,404.19 is: 8,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.17 : 15,343.59 = 6,404.19 : x
  2. Step 2: Convert to fraction form
    11,117.17/15,343.59 = 6,404.19/x
  3. Step 3: Cross multiply
    11,117.17x = 15,343.59 × 6,404.19
  4. Step 4: Simplify right side
    11,117.17x = 98,263,265.64
  5. Step 5: Solve for x
    x = 98,263,265.64/11,117.17
  6. Step 6: Final answer
    x = 8,838.87

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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.