Home / 14,424.24-21,626.28-6,628.80

Finding the Fourth Proportional to 14,424.24, 21,626.28 and 6,628.80

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Solution

The fourth proportional to 14,424.24, 21,626.28 and 6,628.80 is: 9,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.24 : 21,626.28 = 6,628.80 : x
  2. Step 2: Convert to fraction form
    14,424.24/21,626.28 = 6,628.80/x
  3. Step 3: Cross multiply
    14,424.24x = 21,626.28 × 6,628.80
  4. Step 4: Simplify right side
    14,424.24x = 143,356,284.86
  5. Step 5: Solve for x
    x = 143,356,284.86/14,424.24
  6. Step 6: Final answer
    x = 9,938.57

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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.