Home / 13,648.23-18,833.03-7,679.77

Finding the Fourth Proportional to 13,648.23, 18,833.03 and 7,679.77

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Solution

The fourth proportional to 13,648.23, 18,833.03 and 7,679.77 is: 10,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,648.23 : 18,833.03 = 7,679.77 : x
  2. Step 2: Convert to fraction form
    13,648.23/18,833.03 = 7,679.77/x
  3. Step 3: Cross multiply
    13,648.23x = 18,833.03 × 7,679.77
  4. Step 4: Simplify right side
    13,648.23x = 144,633,300.40
  5. Step 5: Solve for x
    x = 144,633,300.40/13,648.23
  6. Step 6: Final answer
    x = 10,597.22

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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.