Home / 19,005.36-26,226.72-10,621.68

Finding the Fourth Proportional to 19,005.36, 26,226.72 and 10,621.68

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Solution

The fourth proportional to 19,005.36, 26,226.72 and 10,621.68 is: 14,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.36 : 26,226.72 = 10,621.68 : x
  2. Step 2: Convert to fraction form
    19,005.36/26,226.72 = 10,621.68/x
  3. Step 3: Cross multiply
    19,005.36x = 26,226.72 × 10,621.68
  4. Step 4: Simplify right side
    19,005.36x = 278,571,827.29
  5. Step 5: Solve for x
    x = 278,571,827.29/19,005.36
  6. Step 6: Final answer
    x = 14,657.54

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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.