Home / 18,277.74-27,416.48-5,130.11

Finding the Fourth Proportional to 18,277.74, 27,416.48 and 5,130.11

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Solution

The fourth proportional to 18,277.74, 27,416.48 and 5,130.11 is: 7,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.74 : 27,416.48 = 5,130.11 : x
  2. Step 2: Convert to fraction form
    18,277.74/27,416.48 = 5,130.11/x
  3. Step 3: Cross multiply
    18,277.74x = 27,416.48 × 5,130.11
  4. Step 4: Simplify right side
    18,277.74x = 140,649,558.21
  5. Step 5: Solve for x
    x = 140,649,558.21/18,277.74
  6. Step 6: Final answer
    x = 7,695.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.