Home / 11,565.30-15,960.53-6,530.42

Finding the Fourth Proportional to 11,565.30, 15,960.53 and 6,530.42

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Solution

The fourth proportional to 11,565.30, 15,960.53 and 6,530.42 is: 9,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.30 : 15,960.53 = 6,530.42 : x
  2. Step 2: Convert to fraction form
    11,565.30/15,960.53 = 6,530.42/x
  3. Step 3: Cross multiply
    11,565.30x = 15,960.53 × 6,530.42
  4. Step 4: Simplify right side
    11,565.30x = 104,228,964.32
  5. Step 5: Solve for x
    x = 104,228,964.32/11,565.30
  6. Step 6: Final answer
    x = 9,012.21

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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.