Home / 15,601.02-21,522.50-9,309.76

Finding the Fourth Proportional to 15,601.02, 21,522.50 and 9,309.76

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Solution

The fourth proportional to 15,601.02, 21,522.50 and 9,309.76 is: 12,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,601.02 : 21,522.50 = 9,309.76 : x
  2. Step 2: Convert to fraction form
    15,601.02/21,522.50 = 9,309.76/x
  3. Step 3: Cross multiply
    15,601.02x = 21,522.50 × 9,309.76
  4. Step 4: Simplify right side
    15,601.02x = 200,369,309.60
  5. Step 5: Solve for x
    x = 200,369,309.60/15,601.02
  6. Step 6: Final answer
    x = 12,843.35

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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.