Home / 12,837.30-19,242.21-6,590.70

Finding the Fourth Proportional to 12,837.30, 19,242.21 and 6,590.70

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Solution

The fourth proportional to 12,837.30, 19,242.21 and 6,590.70 is: 9,879.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.30 : 19,242.21 = 6,590.70 : x
  2. Step 2: Convert to fraction form
    12,837.30/19,242.21 = 6,590.70/x
  3. Step 3: Cross multiply
    12,837.30x = 19,242.21 × 6,590.70
  4. Step 4: Simplify right side
    12,837.30x = 126,819,633.45
  5. Step 5: Solve for x
    x = 126,819,633.45/12,837.30
  6. Step 6: Final answer
    x = 9,879.00

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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.