Home / 19,364.49-26,695.98-12,979.95

Finding the Fourth Proportional to 19,364.49, 26,695.98 and 12,979.95

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Solution

The fourth proportional to 19,364.49, 26,695.98 and 12,979.95 is: 17,894.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.49 : 26,695.98 = 12,979.95 : x
  2. Step 2: Convert to fraction form
    19,364.49/26,695.98 = 12,979.95/x
  3. Step 3: Cross multiply
    19,364.49x = 26,695.98 × 12,979.95
  4. Step 4: Simplify right side
    19,364.49x = 346,512,485.60
  5. Step 5: Solve for x
    x = 346,512,485.60/19,364.49
  6. Step 6: Final answer
    x = 17,894.22

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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.