Home / 13,242.94-18,273.90-7,937.62

Finding the Fourth Proportional to 13,242.94, 18,273.90 and 7,937.62

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Solution

The fourth proportional to 13,242.94, 18,273.90 and 7,937.62 is: 10,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,242.94 : 18,273.90 = 7,937.62 : x
  2. Step 2: Convert to fraction form
    13,242.94/18,273.90 = 7,937.62/x
  3. Step 3: Cross multiply
    13,242.94x = 18,273.90 × 7,937.62
  4. Step 4: Simplify right side
    13,242.94x = 145,051,274.12
  5. Step 5: Solve for x
    x = 145,051,274.12/13,242.94
  6. Step 6: Final answer
    x = 10,953.10

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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.