Home / 13,253.02-18,288.99-7,284.53

Finding the Fourth Proportional to 13,253.02, 18,288.99 and 7,284.53

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Solution

The fourth proportional to 13,253.02, 18,288.99 and 7,284.53 is: 10,052.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.02 : 18,288.99 = 7,284.53 : x
  2. Step 2: Convert to fraction form
    13,253.02/18,288.99 = 7,284.53/x
  3. Step 3: Cross multiply
    13,253.02x = 18,288.99 × 7,284.53
  4. Step 4: Simplify right side
    13,253.02x = 133,226,742.05
  5. Step 5: Solve for x
    x = 133,226,742.05/13,253.02
  6. Step 6: Final answer
    x = 10,052.56

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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.