Home / 12,877.80-19,312.51-4,110.63

Finding the Fourth Proportional to 12,877.80, 19,312.51 and 4,110.63

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Solution

The fourth proportional to 12,877.80, 19,312.51 and 4,110.63 is: 6,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.80 : 19,312.51 = 4,110.63 : x
  2. Step 2: Convert to fraction form
    12,877.80/19,312.51 = 4,110.63/x
  3. Step 3: Cross multiply
    12,877.80x = 19,312.51 × 4,110.63
  4. Step 4: Simplify right side
    12,877.80x = 79,386,582.98
  5. Step 5: Solve for x
    x = 79,386,582.98/12,877.80
  6. Step 6: Final answer
    x = 6,164.61

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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.