Home / 15,452.28-21,328.92-9,492.60

Finding the Fourth Proportional to 15,452.28, 21,328.92 and 9,492.60

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Solution

The fourth proportional to 15,452.28, 21,328.92 and 9,492.60 is: 13,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.28 : 21,328.92 = 9,492.60 : x
  2. Step 2: Convert to fraction form
    15,452.28/21,328.92 = 9,492.60/x
  3. Step 3: Cross multiply
    15,452.28x = 21,328.92 × 9,492.60
  4. Step 4: Simplify right side
    15,452.28x = 202,466,905.99
  5. Step 5: Solve for x
    x = 202,466,905.99/15,452.28
  6. Step 6: Final answer
    x = 13,102.72

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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.