Home / 19,160.01-28,739.88-5,309.01

Finding the Fourth Proportional to 19,160.01, 28,739.88 and 5,309.01

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Solution

The fourth proportional to 19,160.01, 28,739.88 and 5,309.01 is: 7,963.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.01 : 28,739.88 = 5,309.01 : x
  2. Step 2: Convert to fraction form
    19,160.01/28,739.88 = 5,309.01/x
  3. Step 3: Cross multiply
    19,160.01x = 28,739.88 × 5,309.01
  4. Step 4: Simplify right side
    19,160.01x = 152,580,310.32
  5. Step 5: Solve for x
    x = 152,580,310.32/19,160.01
  6. Step 6: Final answer
    x = 7,963.48

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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.