Home / 14,815.49-22,223.66-6,491.21

Finding the Fourth Proportional to 14,815.49, 22,223.66 and 6,491.21

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Solution

The fourth proportional to 14,815.49, 22,223.66 and 6,491.21 is: 9,736.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.49 : 22,223.66 = 6,491.21 : x
  2. Step 2: Convert to fraction form
    14,815.49/22,223.66 = 6,491.21/x
  3. Step 3: Cross multiply
    14,815.49x = 22,223.66 × 6,491.21
  4. Step 4: Simplify right side
    14,815.49x = 144,258,300.45
  5. Step 5: Solve for x
    x = 144,258,300.45/14,815.49
  6. Step 6: Final answer
    x = 9,736.99

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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.