Home / 11,539.72-15,925.28-6,504.15

Finding the Fourth Proportional to 11,539.72, 15,925.28 and 6,504.15

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Solution

The fourth proportional to 11,539.72, 15,925.28 and 6,504.15 is: 8,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.72 : 15,925.28 = 6,504.15 : x
  2. Step 2: Convert to fraction form
    11,539.72/15,925.28 = 6,504.15/x
  3. Step 3: Cross multiply
    11,539.72x = 15,925.28 × 6,504.15
  4. Step 4: Simplify right side
    11,539.72x = 103,580,409.91
  5. Step 5: Solve for x
    x = 103,580,409.91/11,539.72
  6. Step 6: Final answer
    x = 8,975.99

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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.