Home / 14,130.67-19,500.41-8,828.56

Finding the Fourth Proportional to 14,130.67, 19,500.41 and 8,828.56

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Solution

The fourth proportional to 14,130.67, 19,500.41 and 8,828.56 is: 12,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.67 : 19,500.41 = 8,828.56 : x
  2. Step 2: Convert to fraction form
    14,130.67/19,500.41 = 8,828.56/x
  3. Step 3: Cross multiply
    14,130.67x = 19,500.41 × 8,828.56
  4. Step 4: Simplify right side
    14,130.67x = 172,160,539.71
  5. Step 5: Solve for x
    x = 172,160,539.71/14,130.67
  6. Step 6: Final answer
    x = 12,183.47

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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.