Home / 13,276.48-18,313.95-8,299.84

Finding the Fourth Proportional to 13,276.48, 18,313.95 and 8,299.84

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Solution

The fourth proportional to 13,276.48, 18,313.95 and 8,299.84 is: 11,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.48 : 18,313.95 = 8,299.84 : x
  2. Step 2: Convert to fraction form
    13,276.48/18,313.95 = 8,299.84/x
  3. Step 3: Cross multiply
    13,276.48x = 18,313.95 × 8,299.84
  4. Step 4: Simplify right side
    13,276.48x = 152,002,854.77
  5. Step 5: Solve for x
    x = 152,002,854.77/13,276.48
  6. Step 6: Final answer
    x = 11,449.03

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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.