Home / 14,289.86-19,720.02-8,002.23

Finding the Fourth Proportional to 14,289.86, 19,720.02 and 8,002.23

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Solution

The fourth proportional to 14,289.86, 19,720.02 and 8,002.23 is: 11,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.86 : 19,720.02 = 8,002.23 : x
  2. Step 2: Convert to fraction form
    14,289.86/19,720.02 = 8,002.23/x
  3. Step 3: Cross multiply
    14,289.86x = 19,720.02 × 8,002.23
  4. Step 4: Simplify right side
    14,289.86x = 157,804,141.14
  5. Step 5: Solve for x
    x = 157,804,141.14/14,289.86
  6. Step 6: Final answer
    x = 11,043.09

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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.