Home / 13,558.84-18,717.99-8,525.83

Finding the Fourth Proportional to 13,558.84, 18,717.99 and 8,525.83

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Solution

The fourth proportional to 13,558.84, 18,717.99 and 8,525.83 is: 11,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.84 : 18,717.99 = 8,525.83 : x
  2. Step 2: Convert to fraction form
    13,558.84/18,717.99 = 8,525.83/x
  3. Step 3: Cross multiply
    13,558.84x = 18,717.99 × 8,525.83
  4. Step 4: Simplify right side
    13,558.84x = 159,586,332.57
  5. Step 5: Solve for x
    x = 159,586,332.57/13,558.84
  6. Step 6: Final answer
    x = 11,769.91

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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.