Home / 19,025.20-26,254.80-10,641.68

Finding the Fourth Proportional to 19,025.20, 26,254.80 and 10,641.68

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Solution

The fourth proportional to 19,025.20, 26,254.80 and 10,641.68 is: 14,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.20 : 26,254.80 = 10,641.68 : x
  2. Step 2: Convert to fraction form
    19,025.20/26,254.80 = 10,641.68/x
  3. Step 3: Cross multiply
    19,025.20x = 26,254.80 × 10,641.68
  4. Step 4: Simplify right side
    19,025.20x = 279,395,180.06
  5. Step 5: Solve for x
    x = 279,395,180.06/19,025.20
  6. Step 6: Final answer
    x = 14,685.53

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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.