Home / 19,433.47-26,825.87-12,261.91

Finding the Fourth Proportional to 19,433.47, 26,825.87 and 12,261.91

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Solution

The fourth proportional to 19,433.47, 26,825.87 and 12,261.91 is: 16,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.47 : 26,825.87 = 12,261.91 : x
  2. Step 2: Convert to fraction form
    19,433.47/26,825.87 = 12,261.91/x
  3. Step 3: Cross multiply
    19,433.47x = 26,825.87 × 12,261.91
  4. Step 4: Simplify right side
    19,433.47x = 328,936,403.61
  5. Step 5: Solve for x
    x = 328,936,403.61/19,433.47
  6. Step 6: Final answer
    x = 16,926.28

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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.