Home / 10,367.78-14,307.90-5,891.72

Finding the Fourth Proportional to 10,367.78, 14,307.90 and 5,891.72

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Solution

The fourth proportional to 10,367.78, 14,307.90 and 5,891.72 is: 8,130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.78 : 14,307.90 = 5,891.72 : x
  2. Step 2: Convert to fraction form
    10,367.78/14,307.90 = 5,891.72/x
  3. Step 3: Cross multiply
    10,367.78x = 14,307.90 × 5,891.72
  4. Step 4: Simplify right side
    10,367.78x = 84,298,069.05
  5. Step 5: Solve for x
    x = 84,298,069.05/10,367.78
  6. Step 6: Final answer
    x = 8,130.78

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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.