Home / 13,577.49-18,737.73-7,608.87

Finding the Fourth Proportional to 13,577.49, 18,737.73 and 7,608.87

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Solution

The fourth proportional to 13,577.49, 18,737.73 and 7,608.87 is: 10,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.49 : 18,737.73 = 7,608.87 : x
  2. Step 2: Convert to fraction form
    13,577.49/18,737.73 = 7,608.87/x
  3. Step 3: Cross multiply
    13,577.49x = 18,737.73 × 7,608.87
  4. Step 4: Simplify right side
    13,577.49x = 142,572,951.67
  5. Step 5: Solve for x
    x = 142,572,951.67/13,577.49
  6. Step 6: Final answer
    x = 10,500.69

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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.