Home / 19,607.37-29,394.53-8,505.70

Finding the Fourth Proportional to 19,607.37, 29,394.53 and 8,505.70

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Solution

The fourth proportional to 19,607.37, 29,394.53 and 8,505.70 is: 12,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.37 : 29,394.53 = 8,505.70 : x
  2. Step 2: Convert to fraction form
    19,607.37/29,394.53 = 8,505.70/x
  3. Step 3: Cross multiply
    19,607.37x = 29,394.53 × 8,505.70
  4. Step 4: Simplify right side
    19,607.37x = 250,021,053.82
  5. Step 5: Solve for x
    x = 250,021,053.82/19,607.37
  6. Step 6: Final answer
    x = 12,751.38

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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.