Home / 10,861.37-14,987.96-6,145.34

Finding the Fourth Proportional to 10,861.37, 14,987.96 and 6,145.34

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Solution

The fourth proportional to 10,861.37, 14,987.96 and 6,145.34 is: 8,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861.37 : 14,987.96 = 6,145.34 : x
  2. Step 2: Convert to fraction form
    10,861.37/14,987.96 = 6,145.34/x
  3. Step 3: Cross multiply
    10,861.37x = 14,987.96 × 6,145.34
  4. Step 4: Simplify right side
    10,861.37x = 92,106,110.11
  5. Step 5: Solve for x
    x = 92,106,110.11/10,861.37
  6. Step 6: Final answer
    x = 8,480.16

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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.