Home / 8,499.23-11,730.62-5,431.12

Finding the Fourth Proportional to 8,499.23, 11,730.62 and 5,431.12

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Solution

The fourth proportional to 8,499.23, 11,730.62 and 5,431.12 is: 7,496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.23 : 11,730.62 = 5,431.12 : x
  2. Step 2: Convert to fraction form
    8,499.23/11,730.62 = 5,431.12/x
  3. Step 3: Cross multiply
    8,499.23x = 11,730.62 × 5,431.12
  4. Step 4: Simplify right side
    8,499.23x = 63,710,319.09
  5. Step 5: Solve for x
    x = 63,710,319.09/8,499.23
  6. Step 6: Final answer
    x = 7,496.01

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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.