Home / 19,899.66-27,460.85-10,947.08

Finding the Fourth Proportional to 19,899.66, 27,460.85 and 10,947.08

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Solution

The fourth proportional to 19,899.66, 27,460.85 and 10,947.08 is: 15,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.66 : 27,460.85 = 10,947.08 : x
  2. Step 2: Convert to fraction form
    19,899.66/27,460.85 = 10,947.08/x
  3. Step 3: Cross multiply
    19,899.66x = 27,460.85 × 10,947.08
  4. Step 4: Simplify right side
    19,899.66x = 300,616,121.82
  5. Step 5: Solve for x
    x = 300,616,121.82/19,899.66
  6. Step 6: Final answer
    x = 15,106.60

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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.