Home / 10,224.36-15,322.16-8,135.07

Finding the Fourth Proportional to 10,224.36, 15,322.16 and 8,135.07

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Solution

The fourth proportional to 10,224.36, 15,322.16 and 8,135.07 is: 12,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.36 : 15,322.16 = 8,135.07 : x
  2. Step 2: Convert to fraction form
    10,224.36/15,322.16 = 8,135.07/x
  3. Step 3: Cross multiply
    10,224.36x = 15,322.16 × 8,135.07
  4. Step 4: Simplify right side
    10,224.36x = 124,646,807.03
  5. Step 5: Solve for x
    x = 124,646,807.03/10,224.36
  6. Step 6: Final answer
    x = 12,191.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.