Home / 10,440.32-14,409.05-6,409.53

Finding the Fourth Proportional to 10,440.32, 14,409.05 and 6,409.53

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Solution

The fourth proportional to 10,440.32, 14,409.05 and 6,409.53 is: 8,846.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.32 : 14,409.05 = 6,409.53 : x
  2. Step 2: Convert to fraction form
    10,440.32/14,409.05 = 6,409.53/x
  3. Step 3: Cross multiply
    10,440.32x = 14,409.05 × 6,409.53
  4. Step 4: Simplify right side
    10,440.32x = 92,355,206.20
  5. Step 5: Solve for x
    x = 92,355,206.20/10,440.32
  6. Step 6: Final answer
    x = 8,846.02

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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.