Home / 19,725.21-29,530.40-10,342.98

Finding the Fourth Proportional to 19,725.21, 29,530.40 and 10,342.98

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Solution

The fourth proportional to 19,725.21, 29,530.40 and 10,342.98 is: 15,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.21 : 29,530.40 = 10,342.98 : x
  2. Step 2: Convert to fraction form
    19,725.21/29,530.40 = 10,342.98/x
  3. Step 3: Cross multiply
    19,725.21x = 29,530.40 × 10,342.98
  4. Step 4: Simplify right side
    19,725.21x = 305,432,284.88
  5. Step 5: Solve for x
    x = 305,432,284.88/19,725.21
  6. Step 6: Final answer
    x = 15,484.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.