Home / 14,331.80-21,497.70-6,555.80

Finding the Fourth Proportional to 14,331.80, 21,497.70 and 6,555.80

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Solution

The fourth proportional to 14,331.80, 21,497.70 and 6,555.80 is: 9,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.80 : 21,497.70 = 6,555.80 : x
  2. Step 2: Convert to fraction form
    14,331.80/21,497.70 = 6,555.80/x
  3. Step 3: Cross multiply
    14,331.80x = 21,497.70 × 6,555.80
  4. Step 4: Simplify right side
    14,331.80x = 140,934,621.66
  5. Step 5: Solve for x
    x = 140,934,621.66/14,331.80
  6. Step 6: Final answer
    x = 9,833.70

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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.