Home / 12,818.51-19,227.65-4,053.43

Finding the Fourth Proportional to 12,818.51, 19,227.65 and 4,053.43

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Solution

The fourth proportional to 12,818.51, 19,227.65 and 4,053.43 is: 6,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.51 : 19,227.65 = 4,053.43 : x
  2. Step 2: Convert to fraction form
    12,818.51/19,227.65 = 4,053.43/x
  3. Step 3: Cross multiply
    12,818.51x = 19,227.65 × 4,053.43
  4. Step 4: Simplify right side
    12,818.51x = 77,937,933.34
  5. Step 5: Solve for x
    x = 77,937,933.34/12,818.51
  6. Step 6: Final answer
    x = 6,080.11

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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.