Home / 13,040.48-19,559.90-4,155.59

Finding the Fourth Proportional to 13,040.48, 19,559.90 and 4,155.59

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Solution

The fourth proportional to 13,040.48, 19,559.90 and 4,155.59 is: 6,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.48 : 19,559.90 = 4,155.59 : x
  2. Step 2: Convert to fraction form
    13,040.48/19,559.90 = 4,155.59/x
  3. Step 3: Cross multiply
    13,040.48x = 19,559.90 × 4,155.59
  4. Step 4: Simplify right side
    13,040.48x = 81,282,806.26
  5. Step 5: Solve for x
    x = 81,282,806.26/13,040.48
  6. Step 6: Final answer
    x = 6,233.12

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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.