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Finding the Fourth Proportional to 15,802.08, 23,686.08 and 8,399.08

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Solution

The fourth proportional to 15,802.08, 23,686.08 and 8,399.08 is: 12,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802.08 : 23,686.08 = 8,399.08 : x
  2. Step 2: Convert to fraction form
    15,802.08/23,686.08 = 8,399.08/x
  3. Step 3: Cross multiply
    15,802.08x = 23,686.08 × 8,399.08
  4. Step 4: Simplify right side
    15,802.08x = 198,941,280.81
  5. Step 5: Solve for x
    x = 198,941,280.81/15,802.08
  6. Step 6: Final answer
    x = 12,589.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.