Home / 19,229.04-26,528.94-12,945.60

Finding the Fourth Proportional to 19,229.04, 26,528.94 and 12,945.60

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Solution

The fourth proportional to 19,229.04, 26,528.94 and 12,945.60 is: 17,860.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.04 : 26,528.94 = 12,945.60 : x
  2. Step 2: Convert to fraction form
    19,229.04/26,528.94 = 12,945.60/x
  3. Step 3: Cross multiply
    19,229.04x = 26,528.94 × 12,945.60
  4. Step 4: Simplify right side
    19,229.04x = 343,433,045.66
  5. Step 5: Solve for x
    x = 343,433,045.66/19,229.04
  6. Step 6: Final answer
    x = 17,860.12

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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.