Home / 12,699.37-19,051.08-4,381.48

Finding the Fourth Proportional to 12,699.37, 19,051.08 and 4,381.48

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Solution

The fourth proportional to 12,699.37, 19,051.08 and 4,381.48 is: 6,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.37 : 19,051.08 = 4,381.48 : x
  2. Step 2: Convert to fraction form
    12,699.37/19,051.08 = 4,381.48/x
  3. Step 3: Cross multiply
    12,699.37x = 19,051.08 × 4,381.48
  4. Step 4: Simplify right side
    12,699.37x = 83,471,926.00
  5. Step 5: Solve for x
    x = 83,471,926.00/12,699.37
  6. Step 6: Final answer
    x = 6,572.92

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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.