Home / 15,388.34-23,083.42-4,858.70

Finding the Fourth Proportional to 15,388.34, 23,083.42 and 4,858.70

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Solution

The fourth proportional to 15,388.34, 23,083.42 and 4,858.70 is: 7,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.34 : 23,083.42 = 4,858.70 : x
  2. Step 2: Convert to fraction form
    15,388.34/23,083.42 = 4,858.70/x
  3. Step 3: Cross multiply
    15,388.34x = 23,083.42 × 4,858.70
  4. Step 4: Simplify right side
    15,388.34x = 112,155,412.75
  5. Step 5: Solve for x
    x = 112,155,412.75/15,388.34
  6. Step 6: Final answer
    x = 7,288.34

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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.