Home / 15,292.41-21,099.50-8,830.46

Finding the Fourth Proportional to 15,292.41, 21,099.50 and 8,830.46

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Solution

The fourth proportional to 15,292.41, 21,099.50 and 8,830.46 is: 12,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.41 : 21,099.50 = 8,830.46 : x
  2. Step 2: Convert to fraction form
    15,292.41/21,099.50 = 8,830.46/x
  3. Step 3: Cross multiply
    15,292.41x = 21,099.50 × 8,830.46
  4. Step 4: Simplify right side
    15,292.41x = 186,318,141.12
  5. Step 5: Solve for x
    x = 186,318,141.12/15,292.41
  6. Step 6: Final answer
    x = 12,183.70

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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.