Home / 14,244.75-21,368.03-5,479.65

Finding the Fourth Proportional to 14,244.75, 21,368.03 and 5,479.65

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Solution

The fourth proportional to 14,244.75, 21,368.03 and 5,479.65 is: 8,219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.75 : 21,368.03 = 5,479.65 : x
  2. Step 2: Convert to fraction form
    14,244.75/21,368.03 = 5,479.65/x
  3. Step 3: Cross multiply
    14,244.75x = 21,368.03 × 5,479.65
  4. Step 4: Simplify right side
    14,244.75x = 117,089,298.19
  5. Step 5: Solve for x
    x = 117,089,298.19/14,244.75
  6. Step 6: Final answer
    x = 8,219.82

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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.