Home / 14,148.10-21,223.20-4,288.18

Finding the Fourth Proportional to 14,148.10, 21,223.20 and 4,288.18

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Solution

The fourth proportional to 14,148.10, 21,223.20 and 4,288.18 is: 6,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.10 : 21,223.20 = 4,288.18 : x
  2. Step 2: Convert to fraction form
    14,148.10/21,223.20 = 4,288.18/x
  3. Step 3: Cross multiply
    14,148.10x = 21,223.20 × 4,288.18
  4. Step 4: Simplify right side
    14,148.10x = 91,008,901.78
  5. Step 5: Solve for x
    x = 91,008,901.78/14,148.10
  6. Step 6: Final answer
    x = 6,432.59

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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.