Home / 14,329.80-21,494.70-6,553.80

Finding the Fourth Proportional to 14,329.80, 21,494.70 and 6,553.80

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Solution

The fourth proportional to 14,329.80, 21,494.70 and 6,553.80 is: 9,830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.80 : 21,494.70 = 6,553.80 : x
  2. Step 2: Convert to fraction form
    14,329.80/21,494.70 = 6,553.80/x
  3. Step 3: Cross multiply
    14,329.80x = 21,494.70 × 6,553.80
  4. Step 4: Simplify right side
    14,329.80x = 140,871,964.86
  5. Step 5: Solve for x
    x = 140,871,964.86/14,329.80
  6. Step 6: Final answer
    x = 9,830.70

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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.