Home / 19,130.18-28,695.26-5,982.59

Finding the Fourth Proportional to 19,130.18, 28,695.26 and 5,982.59

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Solution

The fourth proportional to 19,130.18, 28,695.26 and 5,982.59 is: 8,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.18 : 28,695.26 = 5,982.59 : x
  2. Step 2: Convert to fraction form
    19,130.18/28,695.26 = 5,982.59/x
  3. Step 3: Cross multiply
    19,130.18x = 28,695.26 × 5,982.59
  4. Step 4: Simplify right side
    19,130.18x = 171,672,062.22
  5. Step 5: Solve for x
    x = 171,672,062.22/19,130.18
  6. Step 6: Final answer
    x = 8,973.89

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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.