Home / 14,586.72-20,133.36-9,998.88

Finding the Fourth Proportional to 14,586.72, 20,133.36 and 9,998.88

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Solution

The fourth proportional to 14,586.72, 20,133.36 and 9,998.88 is: 13,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.72 : 20,133.36 = 9,998.88 : x
  2. Step 2: Convert to fraction form
    14,586.72/20,133.36 = 9,998.88/x
  3. Step 3: Cross multiply
    14,586.72x = 20,133.36 × 9,998.88
  4. Step 4: Simplify right side
    14,586.72x = 201,311,050.64
  5. Step 5: Solve for x
    x = 201,311,050.64/14,586.72
  6. Step 6: Final answer
    x = 13,800.98

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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.