Home / 13,897.98-19,166.36-12,298.70

Finding the Fourth Proportional to 13,897.98, 19,166.36 and 12,298.70

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Solution

The fourth proportional to 13,897.98, 19,166.36 and 12,298.70 is: 16,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.98 : 19,166.36 = 12,298.70 : x
  2. Step 2: Convert to fraction form
    13,897.98/19,166.36 = 12,298.70/x
  3. Step 3: Cross multiply
    13,897.98x = 19,166.36 × 12,298.70
  4. Step 4: Simplify right side
    13,897.98x = 235,721,298.15
  5. Step 5: Solve for x
    x = 235,721,298.15/13,897.98
  6. Step 6: Final answer
    x = 16,960.83

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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.