Home / 18,085.17-27,124.11-12,588.51

Finding the Fourth Proportional to 18,085.17, 27,124.11 and 12,588.51

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Solution

The fourth proportional to 18,085.17, 27,124.11 and 12,588.51 is: 18,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.17 : 27,124.11 = 12,588.51 : x
  2. Step 2: Convert to fraction form
    18,085.17/27,124.11 = 12,588.51/x
  3. Step 3: Cross multiply
    18,085.17x = 27,124.11 × 12,588.51
  4. Step 4: Simplify right side
    18,085.17x = 341,452,129.98
  5. Step 5: Solve for x
    x = 341,452,129.98/18,085.17
  6. Step 6: Final answer
    x = 18,880.23

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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.