Home / 11,307.13-15,603.83-6,339.13

Finding the Fourth Proportional to 11,307.13, 15,603.83 and 6,339.13

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Solution

The fourth proportional to 11,307.13, 15,603.83 and 6,339.13 is: 8,747.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.13 : 15,603.83 = 6,339.13 : x
  2. Step 2: Convert to fraction form
    11,307.13/15,603.83 = 6,339.13/x
  3. Step 3: Cross multiply
    11,307.13x = 15,603.83 × 6,339.13
  4. Step 4: Simplify right side
    11,307.13x = 98,914,706.87
  5. Step 5: Solve for x
    x = 98,914,706.87/11,307.13
  6. Step 6: Final answer
    x = 8,747.99

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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.