Home / 13,943.45-20,915.21-9,801.98

Finding the Fourth Proportional to 13,943.45, 20,915.21 and 9,801.98

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Solution

The fourth proportional to 13,943.45, 20,915.21 and 9,801.98 is: 14,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.45 : 20,915.21 = 9,801.98 : x
  2. Step 2: Convert to fraction form
    13,943.45/20,915.21 = 9,801.98/x
  3. Step 3: Cross multiply
    13,943.45x = 20,915.21 × 9,801.98
  4. Step 4: Simplify right side
    13,943.45x = 205,010,586.12
  5. Step 5: Solve for x
    x = 205,010,586.12/13,943.45
  6. Step 6: Final answer
    x = 14,703.01

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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.