Home / 13,433.72-18,539.15-7,465.97

Finding the Fourth Proportional to 13,433.72, 18,539.15 and 7,465.97

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Solution

The fourth proportional to 13,433.72, 18,539.15 and 7,465.97 is: 10,303.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.72 : 18,539.15 = 7,465.97 : x
  2. Step 2: Convert to fraction form
    13,433.72/18,539.15 = 7,465.97/x
  3. Step 3: Cross multiply
    13,433.72x = 18,539.15 × 7,465.97
  4. Step 4: Simplify right side
    13,433.72x = 138,412,746.74
  5. Step 5: Solve for x
    x = 138,412,746.74/13,433.72
  6. Step 6: Final answer
    x = 10,303.39

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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.