Home / 14,225.63-19,640.62-12,730.98

Finding the Fourth Proportional to 14,225.63, 19,640.62 and 12,730.98

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Solution

The fourth proportional to 14,225.63, 19,640.62 and 12,730.98 is: 17,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.63 : 19,640.62 = 12,730.98 : x
  2. Step 2: Convert to fraction form
    14,225.63/19,640.62 = 12,730.98/x
  3. Step 3: Cross multiply
    14,225.63x = 19,640.62 × 12,730.98
  4. Step 4: Simplify right side
    14,225.63x = 250,044,340.41
  5. Step 5: Solve for x
    x = 250,044,340.41/14,225.63
  6. Step 6: Final answer
    x = 17,577.03

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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.