Home / 19,931.94-27,507.60-11,550.06

Finding the Fourth Proportional to 19,931.94, 27,507.60 and 11,550.06

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Solution

The fourth proportional to 19,931.94, 27,507.60 and 11,550.06 is: 15,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.94 : 27,507.60 = 11,550.06 : x
  2. Step 2: Convert to fraction form
    19,931.94/27,507.60 = 11,550.06/x
  3. Step 3: Cross multiply
    19,931.94x = 27,507.60 × 11,550.06
  4. Step 4: Simplify right side
    19,931.94x = 317,714,430.46
  5. Step 5: Solve for x
    x = 317,714,430.46/19,931.94
  6. Step 6: Final answer
    x = 15,939.97

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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.