Home / 10,124.98-15,189.16-8,283.30

Finding the Fourth Proportional to 10,124.98, 15,189.16 and 8,283.30

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Solution

The fourth proportional to 10,124.98, 15,189.16 and 8,283.30 is: 12,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.98 : 15,189.16 = 8,283.30 : x
  2. Step 2: Convert to fraction form
    10,124.98/15,189.16 = 8,283.30/x
  3. Step 3: Cross multiply
    10,124.98x = 15,189.16 × 8,283.30
  4. Step 4: Simplify right side
    10,124.98x = 125,816,369.03
  5. Step 5: Solve for x
    x = 125,816,369.03/10,124.98
  6. Step 6: Final answer
    x = 12,426.33

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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.