Home / 12,886.26-17,793.09-9,897.36

Finding the Fourth Proportional to 12,886.26, 17,793.09 and 9,897.36

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Solution

The fourth proportional to 12,886.26, 17,793.09 and 9,897.36 is: 13,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.26 : 17,793.09 = 9,897.36 : x
  2. Step 2: Convert to fraction form
    12,886.26/17,793.09 = 9,897.36/x
  3. Step 3: Cross multiply
    12,886.26x = 17,793.09 × 9,897.36
  4. Step 4: Simplify right side
    12,886.26x = 176,104,617.24
  5. Step 5: Solve for x
    x = 176,104,617.24/12,886.26
  6. Step 6: Final answer
    x = 13,666.08

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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.