Home / 15,753.59-21,739.76-8,583.81

Finding the Fourth Proportional to 15,753.59, 21,739.76 and 8,583.81

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Solution

The fourth proportional to 15,753.59, 21,739.76 and 8,583.81 is: 11,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753.59 : 21,739.76 = 8,583.81 : x
  2. Step 2: Convert to fraction form
    15,753.59/21,739.76 = 8,583.81/x
  3. Step 3: Cross multiply
    15,753.59x = 21,739.76 × 8,583.81
  4. Step 4: Simplify right side
    15,753.59x = 186,609,926.37
  5. Step 5: Solve for x
    x = 186,609,926.37/15,753.59
  6. Step 6: Final answer
    x = 11,845.55

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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.