Home / 14,511.80-21,767.70-9,903.80

Finding the Fourth Proportional to 14,511.80, 21,767.70 and 9,903.80

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Solution

The fourth proportional to 14,511.80, 21,767.70 and 9,903.80 is: 14,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.80 : 21,767.70 = 9,903.80 : x
  2. Step 2: Convert to fraction form
    14,511.80/21,767.70 = 9,903.80/x
  3. Step 3: Cross multiply
    14,511.80x = 21,767.70 × 9,903.80
  4. Step 4: Simplify right side
    14,511.80x = 215,582,947.26
  5. Step 5: Solve for x
    x = 215,582,947.26/14,511.80
  6. Step 6: Final answer
    x = 14,855.70

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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.