Home / 13,420.24-20,139.60-6,032.98

Finding the Fourth Proportional to 13,420.24, 20,139.60 and 6,032.98

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Solution

The fourth proportional to 13,420.24, 20,139.60 and 6,032.98 is: 9,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,420.24 : 20,139.60 = 6,032.98 : x
  2. Step 2: Convert to fraction form
    13,420.24/20,139.60 = 6,032.98/x
  3. Step 3: Cross multiply
    13,420.24x = 20,139.60 × 6,032.98
  4. Step 4: Simplify right side
    13,420.24x = 121,501,804.01
  5. Step 5: Solve for x
    x = 121,501,804.01/13,420.24
  6. Step 6: Final answer
    x = 9,053.62

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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.