Home / 10,242.32-14,131.88-6,261.98

Finding the Fourth Proportional to 10,242.32, 14,131.88 and 6,261.98

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Solution

The fourth proportional to 10,242.32, 14,131.88 and 6,261.98 is: 8,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.32 : 14,131.88 = 6,261.98 : x
  2. Step 2: Convert to fraction form
    10,242.32/14,131.88 = 6,261.98/x
  3. Step 3: Cross multiply
    10,242.32x = 14,131.88 × 6,261.98
  4. Step 4: Simplify right side
    10,242.32x = 88,493,549.92
  5. Step 5: Solve for x
    x = 88,493,549.92/10,242.32
  6. Step 6: Final answer
    x = 8,639.99

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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.