Home / 19,899.25-27,459.16-10,947.13

Finding the Fourth Proportional to 19,899.25, 27,459.16 and 10,947.13

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Solution

The fourth proportional to 19,899.25, 27,459.16 and 10,947.13 is: 15,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.25 : 27,459.16 = 10,947.13 : x
  2. Step 2: Convert to fraction form
    19,899.25/27,459.16 = 10,947.13/x
  3. Step 3: Cross multiply
    19,899.25x = 27,459.16 × 10,947.13
  4. Step 4: Simplify right side
    19,899.25x = 300,598,994.21
  5. Step 5: Solve for x
    x = 300,598,994.21/19,899.25
  6. Step 6: Final answer
    x = 15,106.05

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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.