Home / 19,618.58-29,423.75-6,467.87

Finding the Fourth Proportional to 19,618.58, 29,423.75 and 6,467.87

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Solution

The fourth proportional to 19,618.58, 29,423.75 and 6,467.87 is: 9,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.58 : 29,423.75 = 6,467.87 : x
  2. Step 2: Convert to fraction form
    19,618.58/29,423.75 = 6,467.87/x
  3. Step 3: Cross multiply
    19,618.58x = 29,423.75 × 6,467.87
  4. Step 4: Simplify right side
    19,618.58x = 190,308,810.45
  5. Step 5: Solve for x
    x = 190,308,810.45/19,618.58
  6. Step 6: Final answer
    x = 9,700.44

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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.