Home / 19,666.96-27,139.47-10,714.42

Finding the Fourth Proportional to 19,666.96, 27,139.47 and 10,714.42

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Solution

The fourth proportional to 19,666.96, 27,139.47 and 10,714.42 is: 14,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.96 : 27,139.47 = 10,714.42 : x
  2. Step 2: Convert to fraction form
    19,666.96/27,139.47 = 10,714.42/x
  3. Step 3: Cross multiply
    19,666.96x = 27,139.47 × 10,714.42
  4. Step 4: Simplify right side
    19,666.96x = 290,783,680.16
  5. Step 5: Solve for x
    x = 290,783,680.16/19,666.96
  6. Step 6: Final answer
    x = 14,785.39

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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.