Home / 19,889.56-27,448.31-10,937.76

Finding the Fourth Proportional to 19,889.56, 27,448.31 and 10,937.76

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Solution

The fourth proportional to 19,889.56, 27,448.31 and 10,937.76 is: 15,094.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,889.56 : 27,448.31 = 10,937.76 : x
  2. Step 2: Convert to fraction form
    19,889.56/27,448.31 = 10,937.76/x
  3. Step 3: Cross multiply
    19,889.56x = 27,448.31 × 10,937.76
  4. Step 4: Simplify right side
    19,889.56x = 300,223,027.19
  5. Step 5: Solve for x
    x = 300,223,027.19/19,889.56
  6. Step 6: Final answer
    x = 15,094.50

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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.