Home / 12,530.60-17,252.86-10,638.26

Finding the Fourth Proportional to 12,530.60, 17,252.86 and 10,638.26

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Solution

The fourth proportional to 12,530.60, 17,252.86 and 10,638.26 is: 14,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.60 : 17,252.86 = 10,638.26 : x
  2. Step 2: Convert to fraction form
    12,530.60/17,252.86 = 10,638.26/x
  3. Step 3: Cross multiply
    12,530.60x = 17,252.86 × 10,638.26
  4. Step 4: Simplify right side
    12,530.60x = 183,540,410.42
  5. Step 5: Solve for x
    x = 183,540,410.42/12,530.60
  6. Step 6: Final answer
    x = 14,647.38

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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.