Home / 14,747.80-22,121.70-4,887.40

Finding the Fourth Proportional to 14,747.80, 22,121.70 and 4,887.40

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Solution

The fourth proportional to 14,747.80, 22,121.70 and 4,887.40 is: 7,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.80 : 22,121.70 = 4,887.40 : x
  2. Step 2: Convert to fraction form
    14,747.80/22,121.70 = 4,887.40/x
  3. Step 3: Cross multiply
    14,747.80x = 22,121.70 × 4,887.40
  4. Step 4: Simplify right side
    14,747.80x = 108,117,596.58
  5. Step 5: Solve for x
    x = 108,117,596.58/14,747.80
  6. Step 6: Final answer
    x = 7,331.10

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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.