Home / 19,368.40-26,712.84-12,296.56

Finding the Fourth Proportional to 19,368.40, 26,712.84 and 12,296.56

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Solution

The fourth proportional to 19,368.40, 26,712.84 and 12,296.56 is: 16,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.40 : 26,712.84 = 12,296.56 : x
  2. Step 2: Convert to fraction form
    19,368.40/26,712.84 = 12,296.56/x
  3. Step 3: Cross multiply
    19,368.40x = 26,712.84 × 12,296.56
  4. Step 4: Simplify right side
    19,368.40x = 328,476,039.83
  5. Step 5: Solve for x
    x = 328,476,039.83/19,368.40
  6. Step 6: Final answer
    x = 16,959.38

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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.