Home / 14,000.19-20,897.85-12,339.50

Finding the Fourth Proportional to 14,000.19, 20,897.85 and 12,339.50

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Solution

The fourth proportional to 14,000.19, 20,897.85 and 12,339.50 is: 18,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.19 : 20,897.85 = 12,339.50 : x
  2. Step 2: Convert to fraction form
    14,000.19/20,897.85 = 12,339.50/x
  3. Step 3: Cross multiply
    14,000.19x = 20,897.85 × 12,339.50
  4. Step 4: Simplify right side
    14,000.19x = 257,869,020.08
  5. Step 5: Solve for x
    x = 257,869,020.08/14,000.19
  6. Step 6: Final answer
    x = 18,418.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.