Home / 12,292.99-18,439.58-3,528.18

Finding the Fourth Proportional to 12,292.99, 18,439.58 and 3,528.18

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Solution

The fourth proportional to 12,292.99, 18,439.58 and 3,528.18 is: 5,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.99 : 18,439.58 = 3,528.18 : x
  2. Step 2: Convert to fraction form
    12,292.99/18,439.58 = 3,528.18/x
  3. Step 3: Cross multiply
    12,292.99x = 18,439.58 × 3,528.18
  4. Step 4: Simplify right side
    12,292.99x = 65,058,166.18
  5. Step 5: Solve for x
    x = 65,058,166.18/12,292.99
  6. Step 6: Final answer
    x = 5,292.30

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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.