Home / 11,332.72-15,637.75-6,858.55

Finding the Fourth Proportional to 11,332.72, 15,637.75 and 6,858.55

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Solution

The fourth proportional to 11,332.72, 15,637.75 and 6,858.55 is: 9,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.72 : 15,637.75 = 6,858.55 : x
  2. Step 2: Convert to fraction form
    11,332.72/15,637.75 = 6,858.55/x
  3. Step 3: Cross multiply
    11,332.72x = 15,637.75 × 6,858.55
  4. Step 4: Simplify right side
    11,332.72x = 107,252,290.26
  5. Step 5: Solve for x
    x = 107,252,290.26/11,332.72
  6. Step 6: Final answer
    x = 9,463.95

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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.