Home / 18,577.49-27,875.79-12,341.81

Finding the Fourth Proportional to 18,577.49, 27,875.79 and 12,341.81

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Solution

The fourth proportional to 18,577.49, 27,875.79 and 12,341.81 is: 18,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.49 : 27,875.79 = 12,341.81 : x
  2. Step 2: Convert to fraction form
    18,577.49/27,875.79 = 12,341.81/x
  3. Step 3: Cross multiply
    18,577.49x = 27,875.79 × 12,341.81
  4. Step 4: Simplify right side
    18,577.49x = 344,037,703.78
  5. Step 5: Solve for x
    x = 344,037,703.78/18,577.49
  6. Step 6: Final answer
    x = 18,519.06

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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.