Home / 19,077.10-28,615.65-5,930.80

Finding the Fourth Proportional to 19,077.10, 28,615.65 and 5,930.80

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Solution

The fourth proportional to 19,077.10, 28,615.65 and 5,930.80 is: 8,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.10 : 28,615.65 = 5,930.80 : x
  2. Step 2: Convert to fraction form
    19,077.10/28,615.65 = 5,930.80/x
  3. Step 3: Cross multiply
    19,077.10x = 28,615.65 × 5,930.80
  4. Step 4: Simplify right side
    19,077.10x = 169,713,697.02
  5. Step 5: Solve for x
    x = 169,713,697.02/19,077.10
  6. Step 6: Final answer
    x = 8,896.20

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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.