Home / 21,280.98-29,368.80-11,849.34

Finding the Fourth Proportional to 21,280.98, 29,368.80 and 11,849.34

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Solution

The fourth proportional to 21,280.98, 29,368.80 and 11,849.34 is: 16,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,280.98 : 29,368.80 = 11,849.34 : x
  2. Step 2: Convert to fraction form
    21,280.98/29,368.80 = 11,849.34/x
  3. Step 3: Cross multiply
    21,280.98x = 29,368.80 × 11,849.34
  4. Step 4: Simplify right side
    21,280.98x = 348,000,896.59
  5. Step 5: Solve for x
    x = 348,000,896.59/21,280.98
  6. Step 6: Final answer
    x = 16,352.67

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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.