Home / 15,145.20-22,674.60-9,313.20

Finding the Fourth Proportional to 15,145.20, 22,674.60 and 9,313.20

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Solution

The fourth proportional to 15,145.20, 22,674.60 and 9,313.20 is: 13,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.20 : 22,674.60 = 9,313.20 : x
  2. Step 2: Convert to fraction form
    15,145.20/22,674.60 = 9,313.20/x
  3. Step 3: Cross multiply
    15,145.20x = 22,674.60 × 9,313.20
  4. Step 4: Simplify right side
    15,145.20x = 211,173,084.72
  5. Step 5: Solve for x
    x = 211,173,084.72/15,145.20
  6. Step 6: Final answer
    x = 13,943.24

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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.