Home / 11,547.36-15,936.30-6,511.32

Finding the Fourth Proportional to 11,547.36, 15,936.30 and 6,511.32

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Solution

The fourth proportional to 11,547.36, 15,936.30 and 6,511.32 is: 8,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.36 : 15,936.30 = 6,511.32 : x
  2. Step 2: Convert to fraction form
    11,547.36/15,936.30 = 6,511.32/x
  3. Step 3: Cross multiply
    11,547.36x = 15,936.30 × 6,511.32
  4. Step 4: Simplify right side
    11,547.36x = 103,766,348.92
  5. Step 5: Solve for x
    x = 103,766,348.92/11,547.36
  6. Step 6: Final answer
    x = 8,986.15

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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.