Home / 13,311.36-19,962.18-4,543.92

Finding the Fourth Proportional to 13,311.36, 19,962.18 and 4,543.92

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Solution

The fourth proportional to 13,311.36, 19,962.18 and 4,543.92 is: 6,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311.36 : 19,962.18 = 4,543.92 : x
  2. Step 2: Convert to fraction form
    13,311.36/19,962.18 = 4,543.92/x
  3. Step 3: Cross multiply
    13,311.36x = 19,962.18 × 4,543.92
  4. Step 4: Simplify right side
    13,311.36x = 90,706,548.95
  5. Step 5: Solve for x
    x = 90,706,548.95/13,311.36
  6. Step 6: Final answer
    x = 6,814.22

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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.