Home / 9,410.23-12,985.99-5,161.15

Finding the Fourth Proportional to 9,410.23, 12,985.99 and 5,161.15

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Solution

The fourth proportional to 9,410.23, 12,985.99 and 5,161.15 is: 7,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,410.23 : 12,985.99 = 5,161.15 : x
  2. Step 2: Convert to fraction form
    9,410.23/12,985.99 = 5,161.15/x
  3. Step 3: Cross multiply
    9,410.23x = 12,985.99 × 5,161.15
  4. Step 4: Simplify right side
    9,410.23x = 67,022,642.29
  5. Step 5: Solve for x
    x = 67,022,642.29/9,410.23
  6. Step 6: Final answer
    x = 7,122.32

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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.