Home / 10,637.12-14,679.18-5,921.42

Finding the Fourth Proportional to 10,637.12, 14,679.18 and 5,921.42

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Solution

The fourth proportional to 10,637.12, 14,679.18 and 5,921.42 is: 8,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.12 : 14,679.18 = 5,921.42 : x
  2. Step 2: Convert to fraction form
    10,637.12/14,679.18 = 5,921.42/x
  3. Step 3: Cross multiply
    10,637.12x = 14,679.18 × 5,921.42
  4. Step 4: Simplify right side
    10,637.12x = 86,921,590.04
  5. Step 5: Solve for x
    x = 86,921,590.04/10,637.12
  6. Step 6: Final answer
    x = 8,171.53

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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.