Home / 19,666.94-27,140.22-10,714.41

Finding the Fourth Proportional to 19,666.94, 27,140.22 and 10,714.41

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Solution

The fourth proportional to 19,666.94, 27,140.22 and 10,714.41 is: 14,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.94 : 27,140.22 = 10,714.41 : x
  2. Step 2: Convert to fraction form
    19,666.94/27,140.22 = 10,714.41/x
  3. Step 3: Cross multiply
    19,666.94x = 27,140.22 × 10,714.41
  4. Step 4: Simplify right side
    19,666.94x = 290,791,444.57
  5. Step 5: Solve for x
    x = 290,791,444.57/19,666.94
  6. Step 6: Final answer
    x = 14,785.80

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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.