Home / 14,315.10-21,479.03-5,550.69

Finding the Fourth Proportional to 14,315.10, 21,479.03 and 5,550.69

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Solution

The fourth proportional to 14,315.10, 21,479.03 and 5,550.69 is: 8,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,315.10 : 21,479.03 = 5,550.69 : x
  2. Step 2: Convert to fraction form
    14,315.10/21,479.03 = 5,550.69/x
  3. Step 3: Cross multiply
    14,315.10x = 21,479.03 × 5,550.69
  4. Step 4: Simplify right side
    14,315.10x = 119,223,437.03
  5. Step 5: Solve for x
    x = 119,223,437.03/14,315.10
  6. Step 6: Final answer
    x = 8,328.51

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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.