Home / 10,625.47-15,924.29-4,378.21

Finding the Fourth Proportional to 10,625.47, 15,924.29 and 4,378.21

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Solution

The fourth proportional to 10,625.47, 15,924.29 and 4,378.21 is: 6,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.47 : 15,924.29 = 4,378.21 : x
  2. Step 2: Convert to fraction form
    10,625.47/15,924.29 = 4,378.21/x
  3. Step 3: Cross multiply
    10,625.47x = 15,924.29 × 4,378.21
  4. Step 4: Simplify right side
    10,625.47x = 69,719,824.02
  5. Step 5: Solve for x
    x = 69,719,824.02/10,625.47
  6. Step 6: Final answer
    x = 6,561.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.