Home / 21,696.01-29,941.79-12,265.45

Finding the Fourth Proportional to 21,696.01, 29,941.79 and 12,265.45

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Solution

The fourth proportional to 21,696.01, 29,941.79 and 12,265.45 is: 16,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,696.01 : 29,941.79 = 12,265.45 : x
  2. Step 2: Convert to fraction form
    21,696.01/29,941.79 = 12,265.45/x
  3. Step 3: Cross multiply
    21,696.01x = 29,941.79 × 12,265.45
  4. Step 4: Simplify right side
    21,696.01x = 367,249,466.83
  5. Step 5: Solve for x
    x = 367,249,466.83/21,696.01
  6. Step 6: Final answer
    x = 16,927.05

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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.