Home / 11,328.12-15,631.92-6,292.08

Finding the Fourth Proportional to 11,328.12, 15,631.92 and 6,292.08

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Solution

The fourth proportional to 11,328.12, 15,631.92 and 6,292.08 is: 8,682.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.12 : 15,631.92 = 6,292.08 : x
  2. Step 2: Convert to fraction form
    11,328.12/15,631.92 = 6,292.08/x
  3. Step 3: Cross multiply
    11,328.12x = 15,631.92 × 6,292.08
  4. Step 4: Simplify right side
    11,328.12x = 98,357,291.19
  5. Step 5: Solve for x
    x = 98,357,291.19/11,328.12
  6. Step 6: Final answer
    x = 8,682.58

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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.