Home / 11,565.75-15,962.15-6,530.18

Finding the Fourth Proportional to 11,565.75, 15,962.15 and 6,530.18

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Solution

The fourth proportional to 11,565.75, 15,962.15 and 6,530.18 is: 9,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.75 : 15,962.15 = 6,530.18 : x
  2. Step 2: Convert to fraction form
    11,565.75/15,962.15 = 6,530.18/x
  3. Step 3: Cross multiply
    11,565.75x = 15,962.15 × 6,530.18
  4. Step 4: Simplify right side
    11,565.75x = 104,235,712.69
  5. Step 5: Solve for x
    x = 104,235,712.69/11,565.75
  6. Step 6: Final answer
    x = 9,012.45

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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.