Home / 11,329.61-15,637.36-6,295.56

Finding the Fourth Proportional to 11,329.61, 15,637.36 and 6,295.56

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Solution

The fourth proportional to 11,329.61, 15,637.36 and 6,295.56 is: 8,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.61 : 15,637.36 = 6,295.56 : x
  2. Step 2: Convert to fraction form
    11,329.61/15,637.36 = 6,295.56/x
  3. Step 3: Cross multiply
    11,329.61x = 15,637.36 × 6,295.56
  4. Step 4: Simplify right side
    11,329.61x = 98,445,938.12
  5. Step 5: Solve for x
    x = 98,445,938.12/11,329.61
  6. Step 6: Final answer
    x = 8,689.26

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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.