Home / 10,307.78-14,220.71-6,726.95

Finding the Fourth Proportional to 10,307.78, 14,220.71 and 6,726.95

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Solution

The fourth proportional to 10,307.78, 14,220.71 and 6,726.95 is: 9,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.78 : 14,220.71 = 6,726.95 : x
  2. Step 2: Convert to fraction form
    10,307.78/14,220.71 = 6,726.95/x
  3. Step 3: Cross multiply
    10,307.78x = 14,220.71 × 6,726.95
  4. Step 4: Simplify right side
    10,307.78x = 95,661,900.40
  5. Step 5: Solve for x
    x = 95,661,900.40/10,307.78
  6. Step 6: Final answer
    x = 9,280.56

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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.