Home / 19,458.98-29,190.53-8,927.21

Finding the Fourth Proportional to 19,458.98, 29,190.53 and 8,927.21

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Solution

The fourth proportional to 19,458.98, 29,190.53 and 8,927.21 is: 13,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.98 : 29,190.53 = 8,927.21 : x
  2. Step 2: Convert to fraction form
    19,458.98/29,190.53 = 8,927.21/x
  3. Step 3: Cross multiply
    19,458.98x = 29,190.53 × 8,927.21
  4. Step 4: Simplify right side
    19,458.98x = 260,590,036.40
  5. Step 5: Solve for x
    x = 260,590,036.40/19,458.98
  6. Step 6: Final answer
    x = 13,391.76

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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.