Home / 16,442.57-22,687.61-9,368.84

Finding the Fourth Proportional to 16,442.57, 22,687.61 and 9,368.84

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Solution

The fourth proportional to 16,442.57, 22,687.61 and 9,368.84 is: 12,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,442.57 : 22,687.61 = 9,368.84 : x
  2. Step 2: Convert to fraction form
    16,442.57/22,687.61 = 9,368.84/x
  3. Step 3: Cross multiply
    16,442.57x = 22,687.61 × 9,368.84
  4. Step 4: Simplify right side
    16,442.57x = 212,556,427.79
  5. Step 5: Solve for x
    x = 212,556,427.79/16,442.57
  6. Step 6: Final answer
    x = 12,927.21

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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.