Home / 12,226.36-18,315.27-6,962.68

Finding the Fourth Proportional to 12,226.36, 18,315.27 and 6,962.68

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Solution

The fourth proportional to 12,226.36, 18,315.27 and 6,962.68 is: 10,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.36 : 18,315.27 = 6,962.68 : x
  2. Step 2: Convert to fraction form
    12,226.36/18,315.27 = 6,962.68/x
  3. Step 3: Cross multiply
    12,226.36x = 18,315.27 × 6,962.68
  4. Step 4: Simplify right side
    12,226.36x = 127,523,364.12
  5. Step 5: Solve for x
    x = 127,523,364.12/12,226.36
  6. Step 6: Final answer
    x = 10,430.20

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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.