Home / 15,739.08-21,725.82-10,435.68

Finding the Fourth Proportional to 15,739.08, 21,725.82 and 10,435.68

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Solution

The fourth proportional to 15,739.08, 21,725.82 and 10,435.68 is: 14,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739.08 : 21,725.82 = 10,435.68 : x
  2. Step 2: Convert to fraction form
    15,739.08/21,725.82 = 10,435.68/x
  3. Step 3: Cross multiply
    15,739.08x = 21,725.82 × 10,435.68
  4. Step 4: Simplify right side
    15,739.08x = 226,723,705.26
  5. Step 5: Solve for x
    x = 226,723,705.26/15,739.08
  6. Step 6: Final answer
    x = 14,405.14

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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.