Home / 12,199.21-18,300.16-4,802.69

Finding the Fourth Proportional to 12,199.21, 18,300.16 and 4,802.69

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Solution

The fourth proportional to 12,199.21, 18,300.16 and 4,802.69 is: 7,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.21 : 18,300.16 = 4,802.69 : x
  2. Step 2: Convert to fraction form
    12,199.21/18,300.16 = 4,802.69/x
  3. Step 3: Cross multiply
    12,199.21x = 18,300.16 × 4,802.69
  4. Step 4: Simplify right side
    12,199.21x = 87,890,047.18
  5. Step 5: Solve for x
    x = 87,890,047.18/12,199.21
  6. Step 6: Final answer
    x = 7,204.57

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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.