Home / 19,290.31-26,612.79-12,573.58

Finding the Fourth Proportional to 19,290.31, 26,612.79 and 12,573.58

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Solution

The fourth proportional to 19,290.31, 26,612.79 and 12,573.58 is: 17,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.31 : 26,612.79 = 12,573.58 : x
  2. Step 2: Convert to fraction form
    19,290.31/26,612.79 = 12,573.58/x
  3. Step 3: Cross multiply
    19,290.31x = 26,612.79 × 12,573.58
  4. Step 4: Simplify right side
    19,290.31x = 334,618,044.09
  5. Step 5: Solve for x
    x = 334,618,044.09/19,290.31
  6. Step 6: Final answer
    x = 17,346.43

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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.