Home / 13,362.10-18,441.07-7,697.06

Finding the Fourth Proportional to 13,362.10, 18,441.07 and 7,697.06

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Solution

The fourth proportional to 13,362.10, 18,441.07 and 7,697.06 is: 10,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362.10 : 18,441.07 = 7,697.06 : x
  2. Step 2: Convert to fraction form
    13,362.10/18,441.07 = 7,697.06/x
  3. Step 3: Cross multiply
    13,362.10x = 18,441.07 × 7,697.06
  4. Step 4: Simplify right side
    13,362.10x = 141,941,979.96
  5. Step 5: Solve for x
    x = 141,941,979.96/13,362.10
  6. Step 6: Final answer
    x = 10,622.73

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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.