Home / 10,401.39-14,361.44-6,427.95

Finding the Fourth Proportional to 10,401.39, 14,361.44 and 6,427.95

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Solution

The fourth proportional to 10,401.39, 14,361.44 and 6,427.95 is: 8,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.39 : 14,361.44 = 6,427.95 : x
  2. Step 2: Convert to fraction form
    10,401.39/14,361.44 = 6,427.95/x
  3. Step 3: Cross multiply
    10,401.39x = 14,361.44 × 6,427.95
  4. Step 4: Simplify right side
    10,401.39x = 92,314,586.11
  5. Step 5: Solve for x
    x = 92,314,586.11/10,401.39
  6. Step 6: Final answer
    x = 8,875.22

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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.