Home / 19,899.51-27,461.13-10,947.02

Finding the Fourth Proportional to 19,899.51, 27,461.13 and 10,947.02

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Solution

The fourth proportional to 19,899.51, 27,461.13 and 10,947.02 is: 15,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.51 : 27,461.13 = 10,947.02 : x
  2. Step 2: Convert to fraction form
    19,899.51/27,461.13 = 10,947.02/x
  3. Step 3: Cross multiply
    19,899.51x = 27,461.13 × 10,947.02
  4. Step 4: Simplify right side
    19,899.51x = 300,617,539.33
  5. Step 5: Solve for x
    x = 300,617,539.33/19,899.51
  6. Step 6: Final answer
    x = 15,106.78

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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.