Home / 10,066.48-13,891.20-5,590.19

Finding the Fourth Proportional to 10,066.48, 13,891.20 and 5,590.19

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Solution

The fourth proportional to 10,066.48, 13,891.20 and 5,590.19 is: 7,714.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,066.48 : 13,891.20 = 5,590.19 : x
  2. Step 2: Convert to fraction form
    10,066.48/13,891.20 = 5,590.19/x
  3. Step 3: Cross multiply
    10,066.48x = 13,891.20 × 5,590.19
  4. Step 4: Simplify right side
    10,066.48x = 77,654,447.33
  5. Step 5: Solve for x
    x = 77,654,447.33/10,066.48
  6. Step 6: Final answer
    x = 7,714.16

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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.