Home / 14,127.98-19,439.04-12,961.58

Finding the Fourth Proportional to 14,127.98, 19,439.04 and 12,961.58

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Solution

The fourth proportional to 14,127.98, 19,439.04 and 12,961.58 is: 17,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.98 : 19,439.04 = 12,961.58 : x
  2. Step 2: Convert to fraction form
    14,127.98/19,439.04 = 12,961.58/x
  3. Step 3: Cross multiply
    14,127.98x = 19,439.04 × 12,961.58
  4. Step 4: Simplify right side
    14,127.98x = 251,960,672.08
  5. Step 5: Solve for x
    x = 251,960,672.08/14,127.98
  6. Step 6: Final answer
    x = 17,834.16

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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.