Home / 12,215.16-16,852.43-7,433.16

Finding the Fourth Proportional to 12,215.16, 16,852.43 and 7,433.16

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Solution

The fourth proportional to 12,215.16, 16,852.43 and 7,433.16 is: 10,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215.16 : 16,852.43 = 7,433.16 : x
  2. Step 2: Convert to fraction form
    12,215.16/16,852.43 = 7,433.16/x
  3. Step 3: Cross multiply
    12,215.16x = 16,852.43 × 7,433.16
  4. Step 4: Simplify right side
    12,215.16x = 125,266,808.58
  5. Step 5: Solve for x
    x = 125,266,808.58/12,215.16
  6. Step 6: Final answer
    x = 10,255.03

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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.