Home / 10,318.12-15,477.99-2,922.69

Finding the Fourth Proportional to 10,318.12, 15,477.99 and 2,922.69

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Solution

The fourth proportional to 10,318.12, 15,477.99 and 2,922.69 is: 4,384.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.12 : 15,477.99 = 2,922.69 : x
  2. Step 2: Convert to fraction form
    10,318.12/15,477.99 = 2,922.69/x
  3. Step 3: Cross multiply
    10,318.12x = 15,477.99 × 2,922.69
  4. Step 4: Simplify right side
    10,318.12x = 45,237,366.59
  5. Step 5: Solve for x
    x = 45,237,366.59/10,318.12
  6. Step 6: Final answer
    x = 4,384.26

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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.