Home / 15,720.39-23,572.47-4,625.64

Finding the Fourth Proportional to 15,720.39, 23,572.47 and 4,625.64

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Solution

The fourth proportional to 15,720.39, 23,572.47 and 4,625.64 is: 6,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720.39 : 23,572.47 = 4,625.64 : x
  2. Step 2: Convert to fraction form
    15,720.39/23,572.47 = 4,625.64/x
  3. Step 3: Cross multiply
    15,720.39x = 23,572.47 × 4,625.64
  4. Step 4: Simplify right side
    15,720.39x = 109,037,716.37
  5. Step 5: Solve for x
    x = 109,037,716.37/15,720.39
  6. Step 6: Final answer
    x = 6,936.07

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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.