Home / 14,280.36-19,703.16-8,229.12

Finding the Fourth Proportional to 14,280.36, 19,703.16 and 8,229.12

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Solution

The fourth proportional to 14,280.36, 19,703.16 and 8,229.12 is: 11,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.36 : 19,703.16 = 8,229.12 : x
  2. Step 2: Convert to fraction form
    14,280.36/19,703.16 = 8,229.12/x
  3. Step 3: Cross multiply
    14,280.36x = 19,703.16 × 8,229.12
  4. Step 4: Simplify right side
    14,280.36x = 162,139,668.02
  5. Step 5: Solve for x
    x = 162,139,668.02/14,280.36
  6. Step 6: Final answer
    x = 11,354.03

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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.