Home / 13,897.08-19,207.97-12,292.37

Finding the Fourth Proportional to 13,897.08, 19,207.97 and 12,292.37

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Solution

The fourth proportional to 13,897.08, 19,207.97 and 12,292.37 is: 16,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.08 : 19,207.97 = 12,292.37 : x
  2. Step 2: Convert to fraction form
    13,897.08/19,207.97 = 12,292.37/x
  3. Step 3: Cross multiply
    13,897.08x = 19,207.97 × 12,292.37
  4. Step 4: Simplify right side
    13,897.08x = 236,111,434.81
  5. Step 5: Solve for x
    x = 236,111,434.81/13,897.08
  6. Step 6: Final answer
    x = 16,990.00

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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.