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Finding the Fourth Proportional to 15,798.06, 23,680.08 and 8,395.07

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Solution

The fourth proportional to 15,798.06, 23,680.08 and 8,395.07 is: 12,583.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,798.06 : 23,680.08 = 8,395.07 : x
  2. Step 2: Convert to fraction form
    15,798.06/23,680.08 = 8,395.07/x
  3. Step 3: Cross multiply
    15,798.06x = 23,680.08 × 8,395.07
  4. Step 4: Simplify right side
    15,798.06x = 198,795,810.81
  5. Step 5: Solve for x
    x = 198,795,810.81/15,798.06
  6. Step 6: Final answer
    x = 12,583.56

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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.