Home / 19,590.24-29,389.68-6,446.64

Finding the Fourth Proportional to 19,590.24, 29,389.68 and 6,446.64

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Solution

The fourth proportional to 19,590.24, 29,389.68 and 6,446.64 is: 9,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.24 : 29,389.68 = 6,446.64 : x
  2. Step 2: Convert to fraction form
    19,590.24/29,389.68 = 6,446.64/x
  3. Step 3: Cross multiply
    19,590.24x = 29,389.68 × 6,446.64
  4. Step 4: Simplify right side
    19,590.24x = 189,464,686.68
  5. Step 5: Solve for x
    x = 189,464,686.68/19,590.24
  6. Step 6: Final answer
    x = 9,671.38

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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.