Home / 16,442.07-22,690.22-8,888.55

Finding the Fourth Proportional to 16,442.07, 22,690.22 and 8,888.55

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Solution

The fourth proportional to 16,442.07, 22,690.22 and 8,888.55 is: 12,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.07 : 22,690.22 = 8,888.55 : x
  2. Step 2: Convert to fraction form
    16,442.07/22,690.22 = 8,888.55/x
  3. Step 3: Cross multiply
    16,442.07x = 22,690.22 × 8,888.55
  4. Step 4: Simplify right side
    16,442.07x = 201,683,154.98
  5. Step 5: Solve for x
    x = 201,683,154.98/16,442.07
  6. Step 6: Final answer
    x = 12,266.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.