Home / 12,540.30-17,284.58-10,014.32

Finding the Fourth Proportional to 12,540.30, 17,284.58 and 10,014.32

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Solution

The fourth proportional to 12,540.30, 17,284.58 and 10,014.32 is: 13,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540.30 : 17,284.58 = 10,014.32 : x
  2. Step 2: Convert to fraction form
    12,540.30/17,284.58 = 10,014.32/x
  3. Step 3: Cross multiply
    12,540.30x = 17,284.58 × 10,014.32
  4. Step 4: Simplify right side
    12,540.30x = 173,093,315.19
  5. Step 5: Solve for x
    x = 173,093,315.19/12,540.30
  6. Step 6: Final answer
    x = 13,802.96

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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.