Home / 19,419.86-29,129.58-6,271.94

Finding the Fourth Proportional to 19,419.86, 29,129.58 and 6,271.94

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Solution

The fourth proportional to 19,419.86, 29,129.58 and 6,271.94 is: 9,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.86 : 29,129.58 = 6,271.94 : x
  2. Step 2: Convert to fraction form
    19,419.86/29,129.58 = 6,271.94/x
  3. Step 3: Cross multiply
    19,419.86x = 29,129.58 × 6,271.94
  4. Step 4: Simplify right side
    19,419.86x = 182,698,832.34
  5. Step 5: Solve for x
    x = 182,698,832.34/19,419.86
  6. Step 6: Final answer
    x = 9,407.84

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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.