Home / 19,622.99-29,437.02-7,141.10

Finding the Fourth Proportional to 19,622.99, 29,437.02 and 7,141.10

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Solution

The fourth proportional to 19,622.99, 29,437.02 and 7,141.10 is: 10,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.99 : 29,437.02 = 7,141.10 : x
  2. Step 2: Convert to fraction form
    19,622.99/29,437.02 = 7,141.10/x
  3. Step 3: Cross multiply
    19,622.99x = 29,437.02 × 7,141.10
  4. Step 4: Simplify right side
    19,622.99x = 210,212,556.34
  5. Step 5: Solve for x
    x = 210,212,556.34/19,622.99
  6. Step 6: Final answer
    x = 10,712.56

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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.