Home / 10,367.55-14,307.48-6,391.26

Finding the Fourth Proportional to 10,367.55, 14,307.48 and 6,391.26

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Solution

The fourth proportional to 10,367.55, 14,307.48 and 6,391.26 is: 8,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.55 : 14,307.48 = 6,391.26 : x
  2. Step 2: Convert to fraction form
    10,367.55/14,307.48 = 6,391.26/x
  3. Step 3: Cross multiply
    10,367.55x = 14,307.48 × 6,391.26
  4. Step 4: Simplify right side
    10,367.55x = 91,442,824.62
  5. Step 5: Solve for x
    x = 91,442,824.62/10,367.55
  6. Step 6: Final answer
    x = 8,820.10

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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.