Home / 13,790.84-18,898.80-12,462.24

Finding the Fourth Proportional to 13,790.84, 18,898.80 and 12,462.24

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Solution

The fourth proportional to 13,790.84, 18,898.80 and 12,462.24 is: 17,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.84 : 18,898.80 = 12,462.24 : x
  2. Step 2: Convert to fraction form
    13,790.84/18,898.80 = 12,462.24/x
  3. Step 3: Cross multiply
    13,790.84x = 18,898.80 × 12,462.24
  4. Step 4: Simplify right side
    13,790.84x = 235,521,319.00
  5. Step 5: Solve for x
    x = 235,521,319.00/13,790.84
  6. Step 6: Final answer
    x = 17,078.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.