Home / 15,364.85-21,204.50-8,559.96

Finding the Fourth Proportional to 15,364.85, 21,204.50 and 8,559.96

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Solution

The fourth proportional to 15,364.85, 21,204.50 and 8,559.96 is: 11,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.85 : 21,204.50 = 8,559.96 : x
  2. Step 2: Convert to fraction form
    15,364.85/21,204.50 = 8,559.96/x
  3. Step 3: Cross multiply
    15,364.85x = 21,204.50 × 8,559.96
  4. Step 4: Simplify right side
    15,364.85x = 181,509,629.02
  5. Step 5: Solve for x
    x = 181,509,629.02/15,364.85
  6. Step 6: Final answer
    x = 11,813.31

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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.