Home / 11,384.43-15,711.32-6,348.99

Finding the Fourth Proportional to 11,384.43, 15,711.32 and 6,348.99

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Solution

The fourth proportional to 11,384.43, 15,711.32 and 6,348.99 is: 8,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.43 : 15,711.32 = 6,348.99 : x
  2. Step 2: Convert to fraction form
    11,384.43/15,711.32 = 6,348.99/x
  3. Step 3: Cross multiply
    11,384.43x = 15,711.32 × 6,348.99
  4. Step 4: Simplify right side
    11,384.43x = 99,750,981.82
  5. Step 5: Solve for x
    x = 99,750,981.82/11,384.43
  6. Step 6: Final answer
    x = 8,762.05

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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.