Home / 13,708.58-18,898.04-8,984.66

Finding the Fourth Proportional to 13,708.58, 18,898.04 and 8,984.66

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Solution

The fourth proportional to 13,708.58, 18,898.04 and 8,984.66 is: 12,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.58 : 18,898.04 = 8,984.66 : x
  2. Step 2: Convert to fraction form
    13,708.58/18,898.04 = 8,984.66/x
  3. Step 3: Cross multiply
    13,708.58x = 18,898.04 × 8,984.66
  4. Step 4: Simplify right side
    13,708.58x = 169,792,464.07
  5. Step 5: Solve for x
    x = 169,792,464.07/13,708.58
  6. Step 6: Final answer
    x = 12,385.85

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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.