Home / 12,130.53-18,090.27-10,786.59

Finding the Fourth Proportional to 12,130.53, 18,090.27 and 10,786.59

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Solution

The fourth proportional to 12,130.53, 18,090.27 and 10,786.59 is: 16,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.53 : 18,090.27 = 10,786.59 : x
  2. Step 2: Convert to fraction form
    12,130.53/18,090.27 = 10,786.59/x
  3. Step 3: Cross multiply
    12,130.53x = 18,090.27 × 10,786.59
  4. Step 4: Simplify right side
    12,130.53x = 195,132,325.48
  5. Step 5: Solve for x
    x = 195,132,325.48/12,130.53
  6. Step 6: Final answer
    x = 16,086.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.