Home / 21,718.95-32,578.41-6,136.98

Finding the Fourth Proportional to 21,718.95, 32,578.41 and 6,136.98

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Solution

The fourth proportional to 21,718.95, 32,578.41 and 6,136.98 is: 9,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718.95 : 32,578.41 = 6,136.98 : x
  2. Step 2: Convert to fraction form
    21,718.95/32,578.41 = 6,136.98/x
  3. Step 3: Cross multiply
    21,718.95x = 32,578.41 × 6,136.98
  4. Step 4: Simplify right side
    21,718.95x = 199,933,050.60
  5. Step 5: Solve for x
    x = 199,933,050.60/21,718.95
  6. Step 6: Final answer
    x = 9,205.47

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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.