Home / 14,295.90-21,444.69-5,530.86

Finding the Fourth Proportional to 14,295.90, 21,444.69 and 5,530.86

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Solution

The fourth proportional to 14,295.90, 21,444.69 and 5,530.86 is: 8,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.90 : 21,444.69 = 5,530.86 : x
  2. Step 2: Convert to fraction form
    14,295.90/21,444.69 = 5,530.86/x
  3. Step 3: Cross multiply
    14,295.90x = 21,444.69 × 5,530.86
  4. Step 4: Simplify right side
    14,295.90x = 118,607,578.13
  5. Step 5: Solve for x
    x = 118,607,578.13/14,295.90
  6. Step 6: Final answer
    x = 8,296.61

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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.