Home / 12,558.24-17,320.76-9,199.84

Finding the Fourth Proportional to 12,558.24, 17,320.76 and 9,199.84

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Solution

The fourth proportional to 12,558.24, 17,320.76 and 9,199.84 is: 12,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.24 : 17,320.76 = 9,199.84 : x
  2. Step 2: Convert to fraction form
    12,558.24/17,320.76 = 9,199.84/x
  3. Step 3: Cross multiply
    12,558.24x = 17,320.76 × 9,199.84
  4. Step 4: Simplify right side
    12,558.24x = 159,348,220.68
  5. Step 5: Solve for x
    x = 159,348,220.68/12,558.24
  6. Step 6: Final answer
    x = 12,688.74

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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.