Home / 14,136.93-21,205.40-4,776.98

Finding the Fourth Proportional to 14,136.93, 21,205.40 and 4,776.98

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Solution

The fourth proportional to 14,136.93, 21,205.40 and 4,776.98 is: 7,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.93 : 21,205.40 = 4,776.98 : x
  2. Step 2: Convert to fraction form
    14,136.93/21,205.40 = 4,776.98/x
  3. Step 3: Cross multiply
    14,136.93x = 21,205.40 × 4,776.98
  4. Step 4: Simplify right side
    14,136.93x = 101,297,641.78
  5. Step 5: Solve for x
    x = 101,297,641.78/14,136.93
  6. Step 6: Final answer
    x = 7,165.46

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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.