Home / 19,666.74-27,138.06-11,707.41

Finding the Fourth Proportional to 19,666.74, 27,138.06 and 11,707.41

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Solution

The fourth proportional to 19,666.74, 27,138.06 and 11,707.41 is: 16,155.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.74 : 27,138.06 = 11,707.41 : x
  2. Step 2: Convert to fraction form
    19,666.74/27,138.06 = 11,707.41/x
  3. Step 3: Cross multiply
    19,666.74x = 27,138.06 × 11,707.41
  4. Step 4: Simplify right side
    19,666.74x = 317,716,395.02
  5. Step 5: Solve for x
    x = 317,716,395.02/19,666.74
  6. Step 6: Final answer
    x = 16,155.01

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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.