Home / 10,428.08-15,643.65-3,033.14

Finding the Fourth Proportional to 10,428.08, 15,643.65 and 3,033.14

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Solution

The fourth proportional to 10,428.08, 15,643.65 and 3,033.14 is: 4,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.08 : 15,643.65 = 3,033.14 : x
  2. Step 2: Convert to fraction form
    10,428.08/15,643.65 = 3,033.14/x
  3. Step 3: Cross multiply
    10,428.08x = 15,643.65 × 3,033.14
  4. Step 4: Simplify right side
    10,428.08x = 47,449,380.56
  5. Step 5: Solve for x
    x = 47,449,380.56/10,428.08
  6. Step 6: Final answer
    x = 4,550.16

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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.