Home / 10,835.81-16,222.89-7,126.88

Finding the Fourth Proportional to 10,835.81, 16,222.89 and 7,126.88

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Solution

The fourth proportional to 10,835.81, 16,222.89 and 7,126.88 is: 10,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,835.81 : 16,222.89 = 7,126.88 : x
  2. Step 2: Convert to fraction form
    10,835.81/16,222.89 = 7,126.88/x
  3. Step 3: Cross multiply
    10,835.81x = 16,222.89 × 7,126.88
  4. Step 4: Simplify right side
    10,835.81x = 115,618,590.28
  5. Step 5: Solve for x
    x = 115,618,590.28/10,835.81
  6. Step 6: Final answer
    x = 10,670.05

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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.