Home / 13,433.77-18,538.23-7,465.15

Finding the Fourth Proportional to 13,433.77, 18,538.23 and 7,465.15

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Solution

The fourth proportional to 13,433.77, 18,538.23 and 7,465.15 is: 10,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.77 : 18,538.23 = 7,465.15 : x
  2. Step 2: Convert to fraction form
    13,433.77/18,538.23 = 7,465.15/x
  3. Step 3: Cross multiply
    13,433.77x = 18,538.23 × 7,465.15
  4. Step 4: Simplify right side
    13,433.77x = 138,390,667.68
  5. Step 5: Solve for x
    x = 138,390,667.68/13,433.77
  6. Step 6: Final answer
    x = 10,301.70

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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.