Home / 19,186.76-28,782.57-5,335.76

Finding the Fourth Proportional to 19,186.76, 28,782.57 and 5,335.76

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Solution

The fourth proportional to 19,186.76, 28,782.57 and 5,335.76 is: 8,004.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.76 : 28,782.57 = 5,335.76 : x
  2. Step 2: Convert to fraction form
    19,186.76/28,782.57 = 5,335.76/x
  3. Step 3: Cross multiply
    19,186.76x = 28,782.57 × 5,335.76
  4. Step 4: Simplify right side
    19,186.76x = 153,576,885.70
  5. Step 5: Solve for x
    x = 153,576,885.70/19,186.76
  6. Step 6: Final answer
    x = 8,004.32

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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.