Home / 14,426.80-21,640.74-4,038.28

Finding the Fourth Proportional to 14,426.80, 21,640.74 and 4,038.28

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Solution

The fourth proportional to 14,426.80, 21,640.74 and 4,038.28 is: 6,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,426.80 : 21,640.74 = 4,038.28 : x
  2. Step 2: Convert to fraction form
    14,426.80/21,640.74 = 4,038.28/x
  3. Step 3: Cross multiply
    14,426.80x = 21,640.74 × 4,038.28
  4. Step 4: Simplify right side
    14,426.80x = 87,391,367.53
  5. Step 5: Solve for x
    x = 87,391,367.53/14,426.80
  6. Step 6: Final answer
    x = 6,057.57

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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.