Home / 19,150.72-26,420.40-14,126.96

Finding the Fourth Proportional to 19,150.72, 26,420.40 and 14,126.96

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Solution

The fourth proportional to 19,150.72, 26,420.40 and 14,126.96 is: 19,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.72 : 26,420.40 = 14,126.96 : x
  2. Step 2: Convert to fraction form
    19,150.72/26,420.40 = 14,126.96/x
  3. Step 3: Cross multiply
    19,150.72x = 26,420.40 × 14,126.96
  4. Step 4: Simplify right side
    19,150.72x = 373,239,933.98
  5. Step 5: Solve for x
    x = 373,239,933.98/19,150.72
  6. Step 6: Final answer
    x = 19,489.60

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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.