Home / 13,577.18-18,737.25-7,610.77

Finding the Fourth Proportional to 13,577.18, 18,737.25 and 7,610.77

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Solution

The fourth proportional to 13,577.18, 18,737.25 and 7,610.77 is: 10,503.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.18 : 18,737.25 = 7,610.77 : x
  2. Step 2: Convert to fraction form
    13,577.18/18,737.25 = 7,610.77/x
  3. Step 3: Cross multiply
    13,577.18x = 18,737.25 × 7,610.77
  4. Step 4: Simplify right side
    13,577.18x = 142,604,853.34
  5. Step 5: Solve for x
    x = 142,604,853.34/13,577.18
  6. Step 6: Final answer
    x = 10,503.28

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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.