Home / 13,298.51-18,351.97-7,330.03

Finding the Fourth Proportional to 13,298.51, 18,351.97 and 7,330.03

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Solution

The fourth proportional to 13,298.51, 18,351.97 and 7,330.03 is: 10,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.51 : 18,351.97 = 7,330.03 : x
  2. Step 2: Convert to fraction form
    13,298.51/18,351.97 = 7,330.03/x
  3. Step 3: Cross multiply
    13,298.51x = 18,351.97 × 7,330.03
  4. Step 4: Simplify right side
    13,298.51x = 134,520,426.45
  5. Step 5: Solve for x
    x = 134,520,426.45/13,298.51
  6. Step 6: Final answer
    x = 10,115.45

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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.