Home / 10,859.16-14,984.70-6,143.88

Finding the Fourth Proportional to 10,859.16, 14,984.70 and 6,143.88

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Solution

The fourth proportional to 10,859.16, 14,984.70 and 6,143.88 is: 8,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.16 : 14,984.70 = 6,143.88 : x
  2. Step 2: Convert to fraction form
    10,859.16/14,984.70 = 6,143.88/x
  3. Step 3: Cross multiply
    10,859.16x = 14,984.70 × 6,143.88
  4. Step 4: Simplify right side
    10,859.16x = 92,064,198.64
  5. Step 5: Solve for x
    x = 92,064,198.64/10,859.16
  6. Step 6: Final answer
    x = 8,478.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.