Home / 11,539.08-15,925.14-6,823.80

Finding the Fourth Proportional to 11,539.08, 15,925.14 and 6,823.80

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Solution

The fourth proportional to 11,539.08, 15,925.14 and 6,823.80 is: 9,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.08 : 15,925.14 = 6,823.80 : x
  2. Step 2: Convert to fraction form
    11,539.08/15,925.14 = 6,823.80/x
  3. Step 3: Cross multiply
    11,539.08x = 15,925.14 × 6,823.80
  4. Step 4: Simplify right side
    11,539.08x = 108,669,970.33
  5. Step 5: Solve for x
    x = 108,669,970.33/11,539.08
  6. Step 6: Final answer
    x = 9,417.56

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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.