Home / 13,869.50-19,153.87-8,835.98

Finding the Fourth Proportional to 13,869.50, 19,153.87 and 8,835.98

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Solution

The fourth proportional to 13,869.50, 19,153.87 and 8,835.98 is: 12,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.50 : 19,153.87 = 8,835.98 : x
  2. Step 2: Convert to fraction form
    13,869.50/19,153.87 = 8,835.98/x
  3. Step 3: Cross multiply
    13,869.50x = 19,153.87 × 8,835.98
  4. Step 4: Simplify right side
    13,869.50x = 169,243,094.38
  5. Step 5: Solve for x
    x = 169,243,094.38/13,869.50
  6. Step 6: Final answer
    x = 12,202.54

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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.