Home / 19,455.10-29,182.65-13,234.30

Finding the Fourth Proportional to 19,455.10, 29,182.65 and 13,234.30

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Solution

The fourth proportional to 19,455.10, 29,182.65 and 13,234.30 is: 19,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.10 : 29,182.65 = 13,234.30 : x
  2. Step 2: Convert to fraction form
    19,455.10/29,182.65 = 13,234.30/x
  3. Step 3: Cross multiply
    19,455.10x = 29,182.65 × 13,234.30
  4. Step 4: Simplify right side
    19,455.10x = 386,211,944.90
  5. Step 5: Solve for x
    x = 386,211,944.90/19,455.10
  6. Step 6: Final answer
    x = 19,851.45

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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.