Home / 10,209.07-15,304.95-4,660.47

Finding the Fourth Proportional to 10,209.07, 15,304.95 and 4,660.47

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Solution

The fourth proportional to 10,209.07, 15,304.95 and 4,660.47 is: 6,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.07 : 15,304.95 = 4,660.47 : x
  2. Step 2: Convert to fraction form
    10,209.07/15,304.95 = 4,660.47/x
  3. Step 3: Cross multiply
    10,209.07x = 15,304.95 × 4,660.47
  4. Step 4: Simplify right side
    10,209.07x = 71,328,260.33
  5. Step 5: Solve for x
    x = 71,328,260.33/10,209.07
  6. Step 6: Final answer
    x = 6,986.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.