Home / 13,330.27-18,395.67-7,362.19

Finding the Fourth Proportional to 13,330.27, 18,395.67 and 7,362.19

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Solution

The fourth proportional to 13,330.27, 18,395.67 and 7,362.19 is: 10,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.27 : 18,395.67 = 7,362.19 : x
  2. Step 2: Convert to fraction form
    13,330.27/18,395.67 = 7,362.19/x
  3. Step 3: Cross multiply
    13,330.27x = 18,395.67 × 7,362.19
  4. Step 4: Simplify right side
    13,330.27x = 135,432,417.72
  5. Step 5: Solve for x
    x = 135,432,417.72/13,330.27
  6. Step 6: Final answer
    x = 10,159.77

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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.