Home / 12,528.09-17,249.42-10,635.75

Finding the Fourth Proportional to 12,528.09, 17,249.42 and 10,635.75

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Solution

The fourth proportional to 12,528.09, 17,249.42 and 10,635.75 is: 14,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.09 : 17,249.42 = 10,635.75 : x
  2. Step 2: Convert to fraction form
    12,528.09/17,249.42 = 10,635.75/x
  3. Step 3: Cross multiply
    12,528.09x = 17,249.42 × 10,635.75
  4. Step 4: Simplify right side
    12,528.09x = 183,460,465.59
  5. Step 5: Solve for x
    x = 183,460,465.59/12,528.09
  6. Step 6: Final answer
    x = 14,643.93

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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.