Home / 12,060.50-18,095.93-6,221.21

Finding the Fourth Proportional to 12,060.50, 18,095.93 and 6,221.21

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Solution

The fourth proportional to 12,060.50, 18,095.93 and 6,221.21 is: 9,334.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.50 : 18,095.93 = 6,221.21 : x
  2. Step 2: Convert to fraction form
    12,060.50/18,095.93 = 6,221.21/x
  3. Step 3: Cross multiply
    12,060.50x = 18,095.93 × 6,221.21
  4. Step 4: Simplify right side
    12,060.50x = 112,578,549.57
  5. Step 5: Solve for x
    x = 112,578,549.57/12,060.50
  6. Step 6: Final answer
    x = 9,334.48

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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.