Home / 15,399.96-21,250.02-9,025.10

Finding the Fourth Proportional to 15,399.96, 21,250.02 and 9,025.10

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Solution

The fourth proportional to 15,399.96, 21,250.02 and 9,025.10 is: 12,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.96 : 21,250.02 = 9,025.10 : x
  2. Step 2: Convert to fraction form
    15,399.96/21,250.02 = 9,025.10/x
  3. Step 3: Cross multiply
    15,399.96x = 21,250.02 × 9,025.10
  4. Step 4: Simplify right side
    15,399.96x = 191,783,449.25
  5. Step 5: Solve for x
    x = 191,783,449.25/15,399.96
  6. Step 6: Final answer
    x = 12,453.50

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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.