Home / 14,118.55-21,151.09-9,424.40

Finding the Fourth Proportional to 14,118.55, 21,151.09 and 9,424.40

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Solution

The fourth proportional to 14,118.55, 21,151.09 and 9,424.40 is: 14,118.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.55 : 21,151.09 = 9,424.40 : x
  2. Step 2: Convert to fraction form
    14,118.55/21,151.09 = 9,424.40/x
  3. Step 3: Cross multiply
    14,118.55x = 21,151.09 × 9,424.40
  4. Step 4: Simplify right side
    14,118.55x = 199,336,285.47
  5. Step 5: Solve for x
    x = 199,336,285.47/14,118.55
  6. Step 6: Final answer
    x = 14,118.76

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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.