Home / 15,657.26-21,606.93-8,583.74

Finding the Fourth Proportional to 15,657.26, 21,606.93 and 8,583.74

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Solution

The fourth proportional to 15,657.26, 21,606.93 and 8,583.74 is: 11,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,657.26 : 21,606.93 = 8,583.74 : x
  2. Step 2: Convert to fraction form
    15,657.26/21,606.93 = 8,583.74/x
  3. Step 3: Cross multiply
    15,657.26x = 21,606.93 × 8,583.74
  4. Step 4: Simplify right side
    15,657.26x = 185,468,269.32
  5. Step 5: Solve for x
    x = 185,468,269.32/15,657.26
  6. Step 6: Final answer
    x = 11,845.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.