Home / 10,643.07-14,684.97-6,392.70

Finding the Fourth Proportional to 10,643.07, 14,684.97 and 6,392.70

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Solution

The fourth proportional to 10,643.07, 14,684.97 and 6,392.70 is: 8,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.07 : 14,684.97 = 6,392.70 : x
  2. Step 2: Convert to fraction form
    10,643.07/14,684.97 = 6,392.70/x
  3. Step 3: Cross multiply
    10,643.07x = 14,684.97 × 6,392.70
  4. Step 4: Simplify right side
    10,643.07x = 93,876,607.72
  5. Step 5: Solve for x
    x = 93,876,607.72/10,643.07
  6. Step 6: Final answer
    x = 8,820.44

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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.