Home / 13,274.55-18,318.53-7,224.92

Finding the Fourth Proportional to 13,274.55, 18,318.53 and 7,224.92

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Solution

The fourth proportional to 13,274.55, 18,318.53 and 7,224.92 is: 9,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.55 : 18,318.53 = 7,224.92 : x
  2. Step 2: Convert to fraction form
    13,274.55/18,318.53 = 7,224.92/x
  3. Step 3: Cross multiply
    13,274.55x = 18,318.53 × 7,224.92
  4. Step 4: Simplify right side
    13,274.55x = 132,349,840.24
  5. Step 5: Solve for x
    x = 132,349,840.24/13,274.55
  6. Step 6: Final answer
    x = 9,970.19

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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.