Home / 8,898.18-13,349.64-7,409.34

Finding the Fourth Proportional to 8,898.18, 13,349.64 and 7,409.34

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Solution

The fourth proportional to 8,898.18, 13,349.64 and 7,409.34 is: 11,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.18 : 13,349.64 = 7,409.34 : x
  2. Step 2: Convert to fraction form
    8,898.18/13,349.64 = 7,409.34/x
  3. Step 3: Cross multiply
    8,898.18x = 13,349.64 × 7,409.34
  4. Step 4: Simplify right side
    8,898.18x = 98,912,021.64
  5. Step 5: Solve for x
    x = 98,912,021.64/8,898.18
  6. Step 6: Final answer
    x = 11,115.98

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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.