Home / 18,254.59-27,381.56-5,106.78

Finding the Fourth Proportional to 18,254.59, 27,381.56 and 5,106.78

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Solution

The fourth proportional to 18,254.59, 27,381.56 and 5,106.78 is: 7,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.59 : 27,381.56 = 5,106.78 : x
  2. Step 2: Convert to fraction form
    18,254.59/27,381.56 = 5,106.78/x
  3. Step 3: Cross multiply
    18,254.59x = 27,381.56 × 5,106.78
  4. Step 4: Simplify right side
    18,254.59x = 139,831,602.98
  5. Step 5: Solve for x
    x = 139,831,602.98/18,254.59
  6. Step 6: Final answer
    x = 7,660.08

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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.