Home / 19,374.20-26,738.40-10,877.60

Finding the Fourth Proportional to 19,374.20, 26,738.40 and 10,877.60

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Solution

The fourth proportional to 19,374.20, 26,738.40 and 10,877.60 is: 15,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,374.20 : 26,738.40 = 10,877.60 : x
  2. Step 2: Convert to fraction form
    19,374.20/26,738.40 = 10,877.60/x
  3. Step 3: Cross multiply
    19,374.20x = 26,738.40 × 10,877.60
  4. Step 4: Simplify right side
    19,374.20x = 290,849,619.84
  5. Step 5: Solve for x
    x = 290,849,619.84/19,374.20
  6. Step 6: Final answer
    x = 15,012.21

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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.