Home / 17,100.10-25,628.55-12,477.70

Finding the Fourth Proportional to 17,100.10, 25,628.55 and 12,477.70

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Solution

The fourth proportional to 17,100.10, 25,628.55 and 12,477.70 is: 18,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.10 : 25,628.55 = 12,477.70 : x
  2. Step 2: Convert to fraction form
    17,100.10/25,628.55 = 12,477.70/x
  3. Step 3: Cross multiply
    17,100.10x = 25,628.55 × 12,477.70
  4. Step 4: Simplify right side
    17,100.10x = 319,785,358.34
  5. Step 5: Solve for x
    x = 319,785,358.34/17,100.10
  6. Step 6: Final answer
    x = 18,700.79

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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.