Home / 13,573.53-18,719.51-9,795.69

Finding the Fourth Proportional to 13,573.53, 18,719.51 and 9,795.69

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Solution

The fourth proportional to 13,573.53, 18,719.51 and 9,795.69 is: 13,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.53 : 18,719.51 = 9,795.69 : x
  2. Step 2: Convert to fraction form
    13,573.53/18,719.51 = 9,795.69/x
  3. Step 3: Cross multiply
    13,573.53x = 18,719.51 × 9,795.69
  4. Step 4: Simplify right side
    13,573.53x = 183,370,467.93
  5. Step 5: Solve for x
    x = 183,370,467.93/13,573.53
  6. Step 6: Final answer
    x = 13,509.42

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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.