Home / 19,030.62-28,548.36-7,347.18

Finding the Fourth Proportional to 19,030.62, 28,548.36 and 7,347.18

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Solution

The fourth proportional to 19,030.62, 28,548.36 and 7,347.18 is: 11,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.62 : 28,548.36 = 7,347.18 : x
  2. Step 2: Convert to fraction form
    19,030.62/28,548.36 = 7,347.18/x
  3. Step 3: Cross multiply
    19,030.62x = 28,548.36 × 7,347.18
  4. Step 4: Simplify right side
    19,030.62x = 209,749,939.62
  5. Step 5: Solve for x
    x = 209,749,939.62/19,030.62
  6. Step 6: Final answer
    x = 11,021.71

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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.