Home / 19,666.47-27,140.37-10,714.26

Finding the Fourth Proportional to 19,666.47, 27,140.37 and 10,714.26

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Solution

The fourth proportional to 19,666.47, 27,140.37 and 10,714.26 is: 14,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.47 : 27,140.37 = 10,714.26 : x
  2. Step 2: Convert to fraction form
    19,666.47/27,140.37 = 10,714.26/x
  3. Step 3: Cross multiply
    19,666.47x = 27,140.37 × 10,714.26
  4. Step 4: Simplify right side
    19,666.47x = 290,788,980.68
  5. Step 5: Solve for x
    x = 290,788,980.68/19,666.47
  6. Step 6: Final answer
    x = 14,786.03

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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.