Home / 19,899.73-27,461.69-10,947.80

Finding the Fourth Proportional to 19,899.73, 27,461.69 and 10,947.80

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Solution

The fourth proportional to 19,899.73, 27,461.69 and 10,947.80 is: 15,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.73 : 27,461.69 = 10,947.80 : x
  2. Step 2: Convert to fraction form
    19,899.73/27,461.69 = 10,947.80/x
  3. Step 3: Cross multiply
    19,899.73x = 27,461.69 × 10,947.80
  4. Step 4: Simplify right side
    19,899.73x = 300,645,185.81
  5. Step 5: Solve for x
    x = 300,645,185.81/19,899.73
  6. Step 6: Final answer
    x = 15,108.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.