Home / 10,389.34-14,334.60-6,610.96

Finding the Fourth Proportional to 10,389.34, 14,334.60 and 6,610.96

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Solution

The fourth proportional to 10,389.34, 14,334.60 and 6,610.96 is: 9,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.34 : 14,334.60 = 6,610.96 : x
  2. Step 2: Convert to fraction form
    10,389.34/14,334.60 = 6,610.96/x
  3. Step 3: Cross multiply
    10,389.34x = 14,334.60 × 6,610.96
  4. Step 4: Simplify right side
    10,389.34x = 94,765,467.22
  5. Step 5: Solve for x
    x = 94,765,467.22/10,389.34
  6. Step 6: Final answer
    x = 9,121.41

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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.