Home / 10,438.02-14,401.89-6,190.08

Finding the Fourth Proportional to 10,438.02, 14,401.89 and 6,190.08

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Solution

The fourth proportional to 10,438.02, 14,401.89 and 6,190.08 is: 8,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.02 : 14,401.89 = 6,190.08 : x
  2. Step 2: Convert to fraction form
    10,438.02/14,401.89 = 6,190.08/x
  3. Step 3: Cross multiply
    10,438.02x = 14,401.89 × 6,190.08
  4. Step 4: Simplify right side
    10,438.02x = 89,148,851.25
  5. Step 5: Solve for x
    x = 89,148,851.25/10,438.02
  6. Step 6: Final answer
    x = 8,540.78

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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.