Home / 13,452.49-18,557.52-7,860.25

Finding the Fourth Proportional to 13,452.49, 18,557.52 and 7,860.25

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Solution

The fourth proportional to 13,452.49, 18,557.52 and 7,860.25 is: 10,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.49 : 18,557.52 = 7,860.25 : x
  2. Step 2: Convert to fraction form
    13,452.49/18,557.52 = 7,860.25/x
  3. Step 3: Cross multiply
    13,452.49x = 18,557.52 × 7,860.25
  4. Step 4: Simplify right side
    13,452.49x = 145,866,746.58
  5. Step 5: Solve for x
    x = 145,866,746.58/13,452.49
  6. Step 6: Final answer
    x = 10,843.10

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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.