Home / 19,570.50-29,336.43-12,530.47

Finding the Fourth Proportional to 19,570.50, 29,336.43 and 12,530.47

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Solution

The fourth proportional to 19,570.50, 29,336.43 and 12,530.47 is: 18,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.50 : 29,336.43 = 12,530.47 : x
  2. Step 2: Convert to fraction form
    19,570.50/29,336.43 = 12,530.47/x
  3. Step 3: Cross multiply
    19,570.50x = 29,336.43 × 12,530.47
  4. Step 4: Simplify right side
    19,570.50x = 367,599,256.02
  5. Step 5: Solve for x
    x = 367,599,256.02/19,570.50
  6. Step 6: Final answer
    x = 18,783.33

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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.