Home / 10,390.00-14,343.54-6,142.36

Finding the Fourth Proportional to 10,390.00, 14,343.54 and 6,142.36

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Solution

The fourth proportional to 10,390.00, 14,343.54 and 6,142.36 is: 8,479.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.00 : 14,343.54 = 6,142.36 : x
  2. Step 2: Convert to fraction form
    10,390.00/14,343.54 = 6,142.36/x
  3. Step 3: Cross multiply
    10,390.00x = 14,343.54 × 6,142.36
  4. Step 4: Simplify right side
    10,390.00x = 88,103,157.20
  5. Step 5: Solve for x
    x = 88,103,157.20/10,390.00
  6. Step 6: Final answer
    x = 8,479.61

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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.