Home / 12,599.34-17,386.81-6,933.79

Finding the Fourth Proportional to 12,599.34, 17,386.81 and 6,933.79

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Solution

The fourth proportional to 12,599.34, 17,386.81 and 6,933.79 is: 9,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.34 : 17,386.81 = 6,933.79 : x
  2. Step 2: Convert to fraction form
    12,599.34/17,386.81 = 6,933.79/x
  3. Step 3: Cross multiply
    12,599.34x = 17,386.81 × 6,933.79
  4. Step 4: Simplify right side
    12,599.34x = 120,556,489.31
  5. Step 5: Solve for x
    x = 120,556,489.31/12,599.34
  6. Step 6: Final answer
    x = 9,568.48

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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.