Home / 13,242.35-18,273.55-7,274.27

Finding the Fourth Proportional to 13,242.35, 18,273.55 and 7,274.27

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Solution

The fourth proportional to 13,242.35, 18,273.55 and 7,274.27 is: 10,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.35 : 18,273.55 = 7,274.27 : x
  2. Step 2: Convert to fraction form
    13,242.35/18,273.55 = 7,274.27/x
  3. Step 3: Cross multiply
    13,242.35x = 18,273.55 × 7,274.27
  4. Step 4: Simplify right side
    13,242.35x = 132,926,736.56
  5. Step 5: Solve for x
    x = 132,926,736.56/13,242.35
  6. Step 6: Final answer
    x = 10,038.00

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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.