Home / 19,165.08-28,706.04-9,283.56

Finding the Fourth Proportional to 19,165.08, 28,706.04 and 9,283.56

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Solution

The fourth proportional to 19,165.08, 28,706.04 and 9,283.56 is: 13,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.08 : 28,706.04 = 9,283.56 : x
  2. Step 2: Convert to fraction form
    19,165.08/28,706.04 = 9,283.56/x
  3. Step 3: Cross multiply
    19,165.08x = 28,706.04 × 9,283.56
  4. Step 4: Simplify right side
    19,165.08x = 266,494,244.70
  5. Step 5: Solve for x
    x = 266,494,244.70/19,165.08
  6. Step 6: Final answer
    x = 13,905.20

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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.