Home / 19,873.51-27,426.05-10,921.29

Finding the Fourth Proportional to 19,873.51, 27,426.05 and 10,921.29

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Solution

The fourth proportional to 19,873.51, 27,426.05 and 10,921.29 is: 15,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.51 : 27,426.05 = 10,921.29 : x
  2. Step 2: Convert to fraction form
    19,873.51/27,426.05 = 10,921.29/x
  3. Step 3: Cross multiply
    19,873.51x = 27,426.05 × 10,921.29
  4. Step 4: Simplify right side
    19,873.51x = 299,527,845.60
  5. Step 5: Solve for x
    x = 299,527,845.60/19,873.51
  6. Step 6: Final answer
    x = 15,071.71

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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.