Home / 14,132.48-19,509.84-8,830.24

Finding the Fourth Proportional to 14,132.48, 19,509.84 and 8,830.24

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Solution

The fourth proportional to 14,132.48, 19,509.84 and 8,830.24 is: 12,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.48 : 19,509.84 = 8,830.24 : x
  2. Step 2: Convert to fraction form
    14,132.48/19,509.84 = 8,830.24/x
  3. Step 3: Cross multiply
    14,132.48x = 19,509.84 × 8,830.24
  4. Step 4: Simplify right side
    14,132.48x = 172,276,569.56
  5. Step 5: Solve for x
    x = 172,276,569.56/14,132.48
  6. Step 6: Final answer
    x = 12,190.12

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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.