Home / 11,329.25-15,635.48-6,549.40

Finding the Fourth Proportional to 11,329.25, 15,635.48 and 6,549.40

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Solution

The fourth proportional to 11,329.25, 15,635.48 and 6,549.40 is: 9,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.25 : 15,635.48 = 6,549.40 : x
  2. Step 2: Convert to fraction form
    11,329.25/15,635.48 = 6,549.40/x
  3. Step 3: Cross multiply
    11,329.25x = 15,635.48 × 6,549.40
  4. Step 4: Simplify right side
    11,329.25x = 102,403,012.71
  5. Step 5: Solve for x
    x = 102,403,012.71/11,329.25
  6. Step 6: Final answer
    x = 9,038.82

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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.