Home / 9,898.12-14,856.90-7,438.96

Finding the Fourth Proportional to 9,898.12, 14,856.90 and 7,438.96

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Solution

The fourth proportional to 9,898.12, 14,856.90 and 7,438.96 is: 11,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,898.12 : 14,856.90 = 7,438.96 : x
  2. Step 2: Convert to fraction form
    9,898.12/14,856.90 = 7,438.96/x
  3. Step 3: Cross multiply
    9,898.12x = 14,856.90 × 7,438.96
  4. Step 4: Simplify right side
    9,898.12x = 110,519,884.82
  5. Step 5: Solve for x
    x = 110,519,884.82/9,898.12
  6. Step 6: Final answer
    x = 11,165.75

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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.