Home / 13,410.23-18,507.27-7,443.06

Finding the Fourth Proportional to 13,410.23, 18,507.27 and 7,443.06

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Solution

The fourth proportional to 13,410.23, 18,507.27 and 7,443.06 is: 10,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410.23 : 18,507.27 = 7,443.06 : x
  2. Step 2: Convert to fraction form
    13,410.23/18,507.27 = 7,443.06/x
  3. Step 3: Cross multiply
    13,410.23x = 18,507.27 × 7,443.06
  4. Step 4: Simplify right side
    13,410.23x = 137,750,721.05
  5. Step 5: Solve for x
    x = 137,750,721.05/13,410.23
  6. Step 6: Final answer
    x = 10,272.07

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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.