Home / 17,800.20-26,700.12-12,513.36

Finding the Fourth Proportional to 17,800.20, 26,700.12 and 12,513.36

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Solution

The fourth proportional to 17,800.20, 26,700.12 and 12,513.36 is: 18,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.20 : 26,700.12 = 12,513.36 : x
  2. Step 2: Convert to fraction form
    17,800.20/26,700.12 = 12,513.36/x
  3. Step 3: Cross multiply
    17,800.20x = 26,700.12 × 12,513.36
  4. Step 4: Simplify right side
    17,800.20x = 334,108,213.60
  5. Step 5: Solve for x
    x = 334,108,213.60/17,800.20
  6. Step 6: Final answer
    x = 18,769.91

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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.