Home / 13,558.63-20,302.90-9,354.85

Finding the Fourth Proportional to 13,558.63, 20,302.90 and 9,354.85

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Solution

The fourth proportional to 13,558.63, 20,302.90 and 9,354.85 is: 14,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.63 : 20,302.90 = 9,354.85 : x
  2. Step 2: Convert to fraction form
    13,558.63/20,302.90 = 9,354.85/x
  3. Step 3: Cross multiply
    13,558.63x = 20,302.90 × 9,354.85
  4. Step 4: Simplify right side
    13,558.63x = 189,930,533.99
  5. Step 5: Solve for x
    x = 189,930,533.99/13,558.63
  6. Step 6: Final answer
    x = 14,008.09

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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.