Home / 17,802.20-26,703.32-12,238.71

Finding the Fourth Proportional to 17,802.20, 26,703.32 and 12,238.71

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Solution

The fourth proportional to 17,802.20, 26,703.32 and 12,238.71 is: 18,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.20 : 26,703.32 = 12,238.71 : x
  2. Step 2: Convert to fraction form
    17,802.20/26,703.32 = 12,238.71/x
  3. Step 3: Cross multiply
    17,802.20x = 26,703.32 × 12,238.71
  4. Step 4: Simplify right side
    17,802.20x = 326,814,128.32
  5. Step 5: Solve for x
    x = 326,814,128.32/17,802.20
  6. Step 6: Final answer
    x = 18,358.08

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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.