Home / 12,301.03-18,459.74-4,509.84

Finding the Fourth Proportional to 12,301.03, 18,459.74 and 4,509.84

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Solution

The fourth proportional to 12,301.03, 18,459.74 and 4,509.84 is: 6,767.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.03 : 18,459.74 = 4,509.84 : x
  2. Step 2: Convert to fraction form
    12,301.03/18,459.74 = 4,509.84/x
  3. Step 3: Cross multiply
    12,301.03x = 18,459.74 × 4,509.84
  4. Step 4: Simplify right side
    12,301.03x = 83,250,473.84
  5. Step 5: Solve for x
    x = 83,250,473.84/12,301.03
  6. Step 6: Final answer
    x = 6,767.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.