Home / 19,453.80-29,159.10-10,090.20

Finding the Fourth Proportional to 19,453.80, 29,159.10 and 10,090.20

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Solution

The fourth proportional to 19,453.80, 29,159.10 and 10,090.20 is: 15,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.80 : 29,159.10 = 10,090.20 : x
  2. Step 2: Convert to fraction form
    19,453.80/29,159.10 = 10,090.20/x
  3. Step 3: Cross multiply
    19,453.80x = 29,159.10 × 10,090.20
  4. Step 4: Simplify right side
    19,453.80x = 294,221,150.82
  5. Step 5: Solve for x
    x = 294,221,150.82/19,453.80
  6. Step 6: Final answer
    x = 15,124.10

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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.