Home / 19,537.08-29,309.27-6,390.16

Finding the Fourth Proportional to 19,537.08, 29,309.27 and 6,390.16

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Solution

The fourth proportional to 19,537.08, 29,309.27 and 6,390.16 is: 9,586.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.08 : 29,309.27 = 6,390.16 : x
  2. Step 2: Convert to fraction form
    19,537.08/29,309.27 = 6,390.16/x
  3. Step 3: Cross multiply
    19,537.08x = 29,309.27 × 6,390.16
  4. Step 4: Simplify right side
    19,537.08x = 187,290,924.78
  5. Step 5: Solve for x
    x = 187,290,924.78/19,537.08
  6. Step 6: Final answer
    x = 9,586.43

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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.