Home / 19,899.16-27,460.90-10,947.24

Finding the Fourth Proportional to 19,899.16, 27,460.90 and 10,947.24

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Solution

The fourth proportional to 19,899.16, 27,460.90 and 10,947.24 is: 15,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.16 : 27,460.90 = 10,947.24 : x
  2. Step 2: Convert to fraction form
    19,899.16/27,460.90 = 10,947.24/x
  3. Step 3: Cross multiply
    19,899.16x = 27,460.90 × 10,947.24
  4. Step 4: Simplify right side
    19,899.16x = 300,621,062.92
  5. Step 5: Solve for x
    x = 300,621,062.92/19,899.16
  6. Step 6: Final answer
    x = 15,107.22

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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.