Home / 10,065.78-13,891.47-5,818.26

Finding the Fourth Proportional to 10,065.78, 13,891.47 and 5,818.26

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Solution

The fourth proportional to 10,065.78, 13,891.47 and 5,818.26 is: 8,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.78 : 13,891.47 = 5,818.26 : x
  2. Step 2: Convert to fraction form
    10,065.78/13,891.47 = 5,818.26/x
  3. Step 3: Cross multiply
    10,065.78x = 13,891.47 × 5,818.26
  4. Step 4: Simplify right side
    10,065.78x = 80,824,184.24
  5. Step 5: Solve for x
    x = 80,824,184.24/10,065.78
  6. Step 6: Final answer
    x = 8,029.60

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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.