Home / 12,074.40-18,110.80-4,282.24

Finding the Fourth Proportional to 12,074.40, 18,110.80 and 4,282.24

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Solution

The fourth proportional to 12,074.40, 18,110.80 and 4,282.24 is: 6,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.40 : 18,110.80 = 4,282.24 : x
  2. Step 2: Convert to fraction form
    12,074.40/18,110.80 = 4,282.24/x
  3. Step 3: Cross multiply
    12,074.40x = 18,110.80 × 4,282.24
  4. Step 4: Simplify right side
    12,074.40x = 77,554,792.19
  5. Step 5: Solve for x
    x = 77,554,792.19/12,074.40
  6. Step 6: Final answer
    x = 6,423.08

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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.