Home / 10,068.60-13,889.84-7,086.09

Finding the Fourth Proportional to 10,068.60, 13,889.84 and 7,086.09

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Solution

The fourth proportional to 10,068.60, 13,889.84 and 7,086.09 is: 9,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.60 : 13,889.84 = 7,086.09 : x
  2. Step 2: Convert to fraction form
    10,068.60/13,889.84 = 7,086.09/x
  3. Step 3: Cross multiply
    10,068.60x = 13,889.84 × 7,086.09
  4. Step 4: Simplify right side
    10,068.60x = 98,424,586.88
  5. Step 5: Solve for x
    x = 98,424,586.88/10,068.60
  6. Step 6: Final answer
    x = 9,775.40

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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.