Home / 19,977.05-29,957.79-7,490.26

Finding the Fourth Proportional to 19,977.05, 29,957.79 and 7,490.26

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Solution

The fourth proportional to 19,977.05, 29,957.79 and 7,490.26 is: 11,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.05 : 29,957.79 = 7,490.26 : x
  2. Step 2: Convert to fraction form
    19,977.05/29,957.79 = 7,490.26/x
  3. Step 3: Cross multiply
    19,977.05x = 29,957.79 × 7,490.26
  4. Step 4: Simplify right side
    19,977.05x = 224,391,561.23
  5. Step 5: Solve for x
    x = 224,391,561.23/19,977.05
  6. Step 6: Final answer
    x = 11,232.47

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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.