Home / 13,377.95-18,461.58-7,409.60

Finding the Fourth Proportional to 13,377.95, 18,461.58 and 7,409.60

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Solution

The fourth proportional to 13,377.95, 18,461.58 and 7,409.60 is: 10,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.95 : 18,461.58 = 7,409.60 : x
  2. Step 2: Convert to fraction form
    13,377.95/18,461.58 = 7,409.60/x
  3. Step 3: Cross multiply
    13,377.95x = 18,461.58 × 7,409.60
  4. Step 4: Simplify right side
    13,377.95x = 136,792,976.33
  5. Step 5: Solve for x
    x = 136,792,976.33/13,377.95
  6. Step 6: Final answer
    x = 10,225.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.