Home / 19,346.46-29,005.07-12,684.63

Finding the Fourth Proportional to 19,346.46, 29,005.07 and 12,684.63

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Solution

The fourth proportional to 19,346.46, 29,005.07 and 12,684.63 is: 19,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.46 : 29,005.07 = 12,684.63 : x
  2. Step 2: Convert to fraction form
    19,346.46/29,005.07 = 12,684.63/x
  3. Step 3: Cross multiply
    19,346.46x = 29,005.07 × 12,684.63
  4. Step 4: Simplify right side
    19,346.46x = 367,918,590.16
  5. Step 5: Solve for x
    x = 367,918,590.16/19,346.46
  6. Step 6: Final answer
    x = 19,017.36

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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.