Home / 19,625.71-29,438.90-5,586.10

Finding the Fourth Proportional to 19,625.71, 29,438.90 and 5,586.10

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Solution

The fourth proportional to 19,625.71, 29,438.90 and 5,586.10 is: 8,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.71 : 29,438.90 = 5,586.10 : x
  2. Step 2: Convert to fraction form
    19,625.71/29,438.90 = 5,586.10/x
  3. Step 3: Cross multiply
    19,625.71x = 29,438.90 × 5,586.10
  4. Step 4: Simplify right side
    19,625.71x = 164,448,574.42
  5. Step 5: Solve for x
    x = 164,448,574.42/19,625.71
  6. Step 6: Final answer
    x = 8,379.24

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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.