Home / 14,841.20-22,261.80-12,897.20

Finding the Fourth Proportional to 14,841.20, 22,261.80 and 12,897.20

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Solution

The fourth proportional to 14,841.20, 22,261.80 and 12,897.20 is: 19,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.20 : 22,261.80 = 12,897.20 : x
  2. Step 2: Convert to fraction form
    14,841.20/22,261.80 = 12,897.20/x
  3. Step 3: Cross multiply
    14,841.20x = 22,261.80 × 12,897.20
  4. Step 4: Simplify right side
    14,841.20x = 287,114,886.96
  5. Step 5: Solve for x
    x = 287,114,886.96/14,841.20
  6. Step 6: Final answer
    x = 19,345.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.