Home / 13,657.06-20,484.69-5,756.19

Finding the Fourth Proportional to 13,657.06, 20,484.69 and 5,756.19

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Solution

The fourth proportional to 13,657.06, 20,484.69 and 5,756.19 is: 8,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.06 : 20,484.69 = 5,756.19 : x
  2. Step 2: Convert to fraction form
    13,657.06/20,484.69 = 5,756.19/x
  3. Step 3: Cross multiply
    13,657.06x = 20,484.69 × 5,756.19
  4. Step 4: Simplify right side
    13,657.06x = 117,913,767.73
  5. Step 5: Solve for x
    x = 117,913,767.73/13,657.06
  6. Step 6: Final answer
    x = 8,633.91

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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.