Home / 13,200.87-18,217.02-7,232.17

Finding the Fourth Proportional to 13,200.87, 18,217.02 and 7,232.17

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Solution

The fourth proportional to 13,200.87, 18,217.02 and 7,232.17 is: 9,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.87 : 18,217.02 = 7,232.17 : x
  2. Step 2: Convert to fraction form
    13,200.87/18,217.02 = 7,232.17/x
  3. Step 3: Cross multiply
    13,200.87x = 18,217.02 × 7,232.17
  4. Step 4: Simplify right side
    13,200.87x = 131,748,585.53
  5. Step 5: Solve for x
    x = 131,748,585.53/13,200.87
  6. Step 6: Final answer
    x = 9,980.30

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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.