Home / 19,938.02-29,913.81-12,533.81

Finding the Fourth Proportional to 19,938.02, 29,913.81 and 12,533.81

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Solution

The fourth proportional to 19,938.02, 29,913.81 and 12,533.81 is: 18,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.02 : 29,913.81 = 12,533.81 : x
  2. Step 2: Convert to fraction form
    19,938.02/29,913.81 = 12,533.81/x
  3. Step 3: Cross multiply
    19,938.02x = 29,913.81 × 12,533.81
  4. Step 4: Simplify right side
    19,938.02x = 374,933,814.35
  5. Step 5: Solve for x
    x = 374,933,814.35/19,938.02
  6. Step 6: Final answer
    x = 18,804.97

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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.