Home / 19,340.74-26,698.65-12,278.02

Finding the Fourth Proportional to 19,340.74, 26,698.65 and 12,278.02

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Solution

The fourth proportional to 19,340.74, 26,698.65 and 12,278.02 is: 16,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.74 : 26,698.65 = 12,278.02 : x
  2. Step 2: Convert to fraction form
    19,340.74/26,698.65 = 12,278.02/x
  3. Step 3: Cross multiply
    19,340.74x = 26,698.65 × 12,278.02
  4. Step 4: Simplify right side
    19,340.74x = 327,806,558.67
  5. Step 5: Solve for x
    x = 327,806,558.67/19,340.74
  6. Step 6: Final answer
    x = 16,949.02

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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.