Home / 12,066.85-18,088.93-6,221.89

Finding the Fourth Proportional to 12,066.85, 18,088.93 and 6,221.89

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Solution

The fourth proportional to 12,066.85, 18,088.93 and 6,221.89 is: 9,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.85 : 18,088.93 = 6,221.89 : x
  2. Step 2: Convert to fraction form
    12,066.85/18,088.93 = 6,221.89/x
  3. Step 3: Cross multiply
    12,066.85x = 18,088.93 × 6,221.89
  4. Step 4: Simplify right side
    12,066.85x = 112,547,332.68
  5. Step 5: Solve for x
    x = 112,547,332.68/12,066.85
  6. Step 6: Final answer
    x = 9,326.99

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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.