Home / 14,404.22-21,605.60-5,640.74

Finding the Fourth Proportional to 14,404.22, 21,605.60 and 5,640.74

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Solution

The fourth proportional to 14,404.22, 21,605.60 and 5,640.74 is: 8,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.22 : 21,605.60 = 5,640.74 : x
  2. Step 2: Convert to fraction form
    14,404.22/21,605.60 = 5,640.74/x
  3. Step 3: Cross multiply
    14,404.22x = 21,605.60 × 5,640.74
  4. Step 4: Simplify right side
    14,404.22x = 121,871,572.14
  5. Step 5: Solve for x
    x = 121,871,572.14/14,404.22
  6. Step 6: Final answer
    x = 8,460.82

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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.