Home / 15,489.60-23,235.29-4,395.42

Finding the Fourth Proportional to 15,489.60, 23,235.29 and 4,395.42

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Solution

The fourth proportional to 15,489.60, 23,235.29 and 4,395.42 is: 6,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.60 : 23,235.29 = 4,395.42 : x
  2. Step 2: Convert to fraction form
    15,489.60/23,235.29 = 4,395.42/x
  3. Step 3: Cross multiply
    15,489.60x = 23,235.29 × 4,395.42
  4. Step 4: Simplify right side
    15,489.60x = 102,128,858.37
  5. Step 5: Solve for x
    x = 102,128,858.37/15,489.60
  6. Step 6: Final answer
    x = 6,593.38

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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.