Home / 14,429.44-19,860.80-10,230.40

Finding the Fourth Proportional to 14,429.44, 19,860.80 and 10,230.40

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Solution

The fourth proportional to 14,429.44, 19,860.80 and 10,230.40 is: 14,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.44 : 19,860.80 = 10,230.40 : x
  2. Step 2: Convert to fraction form
    14,429.44/19,860.80 = 10,230.40/x
  3. Step 3: Cross multiply
    14,429.44x = 19,860.80 × 10,230.40
  4. Step 4: Simplify right side
    14,429.44x = 203,183,928.32
  5. Step 5: Solve for x
    x = 203,183,928.32/14,429.44
  6. Step 6: Final answer
    x = 14,081.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.