Home / 9,487.86-14,215.38-7,380.14

Finding the Fourth Proportional to 9,487.86, 14,215.38 and 7,380.14

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Solution

The fourth proportional to 9,487.86, 14,215.38 and 7,380.14 is: 11,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.86 : 14,215.38 = 7,380.14 : x
  2. Step 2: Convert to fraction form
    9,487.86/14,215.38 = 7,380.14/x
  3. Step 3: Cross multiply
    9,487.86x = 14,215.38 × 7,380.14
  4. Step 4: Simplify right side
    9,487.86x = 104,911,423.48
  5. Step 5: Solve for x
    x = 104,911,423.48/9,487.86
  6. Step 6: Final answer
    x = 11,057.44

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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.