Home / 10,211.90-14,094.66-6,437.30

Finding the Fourth Proportional to 10,211.90, 14,094.66 and 6,437.30

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Solution

The fourth proportional to 10,211.90, 14,094.66 and 6,437.30 is: 8,884.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.90 : 14,094.66 = 6,437.30 : x
  2. Step 2: Convert to fraction form
    10,211.90/14,094.66 = 6,437.30/x
  3. Step 3: Cross multiply
    10,211.90x = 14,094.66 × 6,437.30
  4. Step 4: Simplify right side
    10,211.90x = 90,731,554.82
  5. Step 5: Solve for x
    x = 90,731,554.82/10,211.90
  6. Step 6: Final answer
    x = 8,884.88

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1.5x scale

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.