Home / 13,599.06-18,768.66-7,550.69

Finding the Fourth Proportional to 13,599.06, 18,768.66 and 7,550.69

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Solution

The fourth proportional to 13,599.06, 18,768.66 and 7,550.69 is: 10,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.06 : 18,768.66 = 7,550.69 : x
  2. Step 2: Convert to fraction form
    13,599.06/18,768.66 = 7,550.69/x
  3. Step 3: Cross multiply
    13,599.06x = 18,768.66 × 7,550.69
  4. Step 4: Simplify right side
    13,599.06x = 141,716,412.05
  5. Step 5: Solve for x
    x = 141,716,412.05/13,599.06
  6. Step 6: Final answer
    x = 10,421.04

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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.