Home / 13,569.57-18,710.93-8,527.73

Finding the Fourth Proportional to 13,569.57, 18,710.93 and 8,527.73

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Solution

The fourth proportional to 13,569.57, 18,710.93 and 8,527.73 is: 11,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.57 : 18,710.93 = 8,527.73 : x
  2. Step 2: Convert to fraction form
    13,569.57/18,710.93 = 8,527.73/x
  3. Step 3: Cross multiply
    13,569.57x = 18,710.93 × 8,527.73
  4. Step 4: Simplify right side
    13,569.57x = 159,561,686.85
  5. Step 5: Solve for x
    x = 159,561,686.85/13,569.57
  6. Step 6: Final answer
    x = 11,758.79

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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.