Home / 10,369.20-15,551.36-2,972.32

Finding the Fourth Proportional to 10,369.20, 15,551.36 and 2,972.32

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Solution

The fourth proportional to 10,369.20, 15,551.36 and 2,972.32 is: 4,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.20 : 15,551.36 = 2,972.32 : x
  2. Step 2: Convert to fraction form
    10,369.20/15,551.36 = 2,972.32/x
  3. Step 3: Cross multiply
    10,369.20x = 15,551.36 × 2,972.32
  4. Step 4: Simplify right side
    10,369.20x = 46,223,618.36
  5. Step 5: Solve for x
    x = 46,223,618.36/10,369.20
  6. Step 6: Final answer
    x = 4,457.78

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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.