Home / 12,853.24-17,737.89-7,110.77

Finding the Fourth Proportional to 12,853.24, 17,737.89 and 7,110.77

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Solution

The fourth proportional to 12,853.24, 17,737.89 and 7,110.77 is: 9,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.24 : 17,737.89 = 7,110.77 : x
  2. Step 2: Convert to fraction form
    12,853.24/17,737.89 = 7,110.77/x
  3. Step 3: Cross multiply
    12,853.24x = 17,737.89 × 7,110.77
  4. Step 4: Simplify right side
    12,853.24x = 126,130,056.08
  5. Step 5: Solve for x
    x = 126,130,056.08/12,853.24
  6. Step 6: Final answer
    x = 9,813.10

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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.