Home / 13,388.95-20,085.65-4,621.51

Finding the Fourth Proportional to 13,388.95, 20,085.65 and 4,621.51

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Solution

The fourth proportional to 13,388.95, 20,085.65 and 4,621.51 is: 6,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.95 : 20,085.65 = 4,621.51 : x
  2. Step 2: Convert to fraction form
    13,388.95/20,085.65 = 4,621.51/x
  3. Step 3: Cross multiply
    13,388.95x = 20,085.65 × 4,621.51
  4. Step 4: Simplify right side
    13,388.95x = 92,826,032.33
  5. Step 5: Solve for x
    x = 92,826,032.33/13,388.95
  6. Step 6: Final answer
    x = 6,933.03

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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.