Home / 12,892.59-19,341.90-4,127.58

Finding the Fourth Proportional to 12,892.59, 19,341.90 and 4,127.58

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Solution

The fourth proportional to 12,892.59, 19,341.90 and 4,127.58 is: 6,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.59 : 19,341.90 = 4,127.58 : x
  2. Step 2: Convert to fraction form
    12,892.59/19,341.90 = 4,127.58/x
  3. Step 3: Cross multiply
    12,892.59x = 19,341.90 × 4,127.58
  4. Step 4: Simplify right side
    12,892.59x = 79,835,239.60
  5. Step 5: Solve for x
    x = 79,835,239.60/12,892.59
  6. Step 6: Final answer
    x = 6,192.34

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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.