Home / 15,596.56-21,520.28-9,309.52

Finding the Fourth Proportional to 15,596.56, 21,520.28 and 9,309.52

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Solution

The fourth proportional to 15,596.56, 21,520.28 and 9,309.52 is: 12,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.56 : 21,520.28 = 9,309.52 : x
  2. Step 2: Convert to fraction form
    15,596.56/21,520.28 = 9,309.52/x
  3. Step 3: Cross multiply
    15,596.56x = 21,520.28 × 9,309.52
  4. Step 4: Simplify right side
    15,596.56x = 200,343,477.07
  5. Step 5: Solve for x
    x = 200,343,477.07/15,596.56
  6. Step 6: Final answer
    x = 12,845.36

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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.