Home / 12,508.32-18,741.66-8,802.77

Finding the Fourth Proportional to 12,508.32, 18,741.66 and 8,802.77

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Solution

The fourth proportional to 12,508.32, 18,741.66 and 8,802.77 is: 13,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.32 : 18,741.66 = 8,802.77 : x
  2. Step 2: Convert to fraction form
    12,508.32/18,741.66 = 8,802.77/x
  3. Step 3: Cross multiply
    12,508.32x = 18,741.66 × 8,802.77
  4. Step 4: Simplify right side
    12,508.32x = 164,978,384.68
  5. Step 5: Solve for x
    x = 164,978,384.68/12,508.32
  6. Step 6: Final answer
    x = 13,189.49

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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.