Home / 15,619.60-23,400.24-10,429.12

Finding the Fourth Proportional to 15,619.60, 23,400.24 and 10,429.12

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Solution

The fourth proportional to 15,619.60, 23,400.24 and 10,429.12 is: 15,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.60 : 23,400.24 = 10,429.12 : x
  2. Step 2: Convert to fraction form
    15,619.60/23,400.24 = 10,429.12/x
  3. Step 3: Cross multiply
    15,619.60x = 23,400.24 × 10,429.12
  4. Step 4: Simplify right side
    15,619.60x = 244,043,910.99
  5. Step 5: Solve for x
    x = 244,043,910.99/15,619.60
  6. Step 6: Final answer
    x = 15,624.21

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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.