Home / 11,329.64-15,637.40-6,295.59

Finding the Fourth Proportional to 11,329.64, 15,637.40 and 6,295.59

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Solution

The fourth proportional to 11,329.64, 15,637.40 and 6,295.59 is: 8,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.64 : 15,637.40 = 6,295.59 : x
  2. Step 2: Convert to fraction form
    11,329.64/15,637.40 = 6,295.59/x
  3. Step 3: Cross multiply
    11,329.64x = 15,637.40 × 6,295.59
  4. Step 4: Simplify right side
    11,329.64x = 98,446,647.39
  5. Step 5: Solve for x
    x = 98,446,647.39/11,329.64
  6. Step 6: Final answer
    x = 8,689.30

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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.