Home / 13,558.10-20,337.15-13,363.70

Finding the Fourth Proportional to 13,558.10, 20,337.15 and 13,363.70

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Solution

The fourth proportional to 13,558.10, 20,337.15 and 13,363.70 is: 20,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.10 : 20,337.15 = 13,363.70 : x
  2. Step 2: Convert to fraction form
    13,558.10/20,337.15 = 13,363.70/x
  3. Step 3: Cross multiply
    13,558.10x = 20,337.15 × 13,363.70
  4. Step 4: Simplify right side
    13,558.10x = 271,779,571.46
  5. Step 5: Solve for x
    x = 271,779,571.46/13,558.10
  6. Step 6: Final answer
    x = 20,045.55

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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.