Home / 14,117.91-21,176.96-4,257.15

Finding the Fourth Proportional to 14,117.91, 21,176.96 and 4,257.15

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Solution

The fourth proportional to 14,117.91, 21,176.96 and 4,257.15 is: 6,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.91 : 21,176.96 = 4,257.15 : x
  2. Step 2: Convert to fraction form
    14,117.91/21,176.96 = 4,257.15/x
  3. Step 3: Cross multiply
    14,117.91x = 21,176.96 × 4,257.15
  4. Step 4: Simplify right side
    14,117.91x = 90,153,495.26
  5. Step 5: Solve for x
    x = 90,153,495.26/14,117.91
  6. Step 6: Final answer
    x = 6,385.75

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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.