Home / 14,122.40-21,074.44-12,175.52

Finding the Fourth Proportional to 14,122.40, 21,074.44 and 12,175.52

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Solution

The fourth proportional to 14,122.40, 21,074.44 and 12,175.52 is: 18,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.40 : 21,074.44 = 12,175.52 : x
  2. Step 2: Convert to fraction form
    14,122.40/21,074.44 = 12,175.52/x
  3. Step 3: Cross multiply
    14,122.40x = 21,074.44 × 12,175.52
  4. Step 4: Simplify right side
    14,122.40x = 256,592,265.71
  5. Step 5: Solve for x
    x = 256,592,265.71/14,122.40
  6. Step 6: Final answer
    x = 18,169.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.