Home / 19,197.52-26,504.04-13,886.80

Finding the Fourth Proportional to 19,197.52, 26,504.04 and 13,886.80

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Solution

The fourth proportional to 19,197.52, 26,504.04 and 13,886.80 is: 19,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.52 : 26,504.04 = 13,886.80 : x
  2. Step 2: Convert to fraction form
    19,197.52/26,504.04 = 13,886.80/x
  3. Step 3: Cross multiply
    19,197.52x = 26,504.04 × 13,886.80
  4. Step 4: Simplify right side
    19,197.52x = 368,056,302.67
  5. Step 5: Solve for x
    x = 368,056,302.67/19,197.52
  6. Step 6: Final answer
    x = 19,172.08

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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.