Home / 10,669.11-14,720.85-6,190.26

Finding the Fourth Proportional to 10,669.11, 14,720.85 and 6,190.26

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Solution

The fourth proportional to 10,669.11, 14,720.85 and 6,190.26 is: 8,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.11 : 14,720.85 = 6,190.26 : x
  2. Step 2: Convert to fraction form
    10,669.11/14,720.85 = 6,190.26/x
  3. Step 3: Cross multiply
    10,669.11x = 14,720.85 × 6,190.26
  4. Step 4: Simplify right side
    10,669.11x = 91,125,888.92
  5. Step 5: Solve for x
    x = 91,125,888.92/10,669.11
  6. Step 6: Final answer
    x = 8,541.10

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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.