Home / 13,077.90-19,615.77-4,310.46

Finding the Fourth Proportional to 13,077.90, 19,615.77 and 4,310.46

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Solution

The fourth proportional to 13,077.90, 19,615.77 and 4,310.46 is: 6,465.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.90 : 19,615.77 = 4,310.46 : x
  2. Step 2: Convert to fraction form
    13,077.90/19,615.77 = 4,310.46/x
  3. Step 3: Cross multiply
    13,077.90x = 19,615.77 × 4,310.46
  4. Step 4: Simplify right side
    13,077.90x = 84,552,991.95
  5. Step 5: Solve for x
    x = 84,552,991.95/13,077.90
  6. Step 6: Final answer
    x = 6,465.33

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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.