Home / 15,682.02-21,634.35-9,630.18

Finding the Fourth Proportional to 15,682.02, 21,634.35 and 9,630.18

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Solution

The fourth proportional to 15,682.02, 21,634.35 and 9,630.18 is: 13,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,682.02 : 21,634.35 = 9,630.18 : x
  2. Step 2: Convert to fraction form
    15,682.02/21,634.35 = 9,630.18/x
  3. Step 3: Cross multiply
    15,682.02x = 21,634.35 × 9,630.18
  4. Step 4: Simplify right side
    15,682.02x = 208,342,684.68
  5. Step 5: Solve for x
    x = 208,342,684.68/15,682.02
  6. Step 6: Final answer
    x = 13,285.45

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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.