Home / 12,753.85-17,600.09-7,088.50

Finding the Fourth Proportional to 12,753.85, 17,600.09 and 7,088.50

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Solution

The fourth proportional to 12,753.85, 17,600.09 and 7,088.50 is: 9,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.85 : 17,600.09 = 7,088.50 : x
  2. Step 2: Convert to fraction form
    12,753.85/17,600.09 = 7,088.50/x
  3. Step 3: Cross multiply
    12,753.85x = 17,600.09 × 7,088.50
  4. Step 4: Simplify right side
    12,753.85x = 124,758,237.97
  5. Step 5: Solve for x
    x = 124,758,237.97/12,753.85
  6. Step 6: Final answer
    x = 9,782.01

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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.