Home / 13,482.73-18,606.26-7,514.78

Finding the Fourth Proportional to 13,482.73, 18,606.26 and 7,514.78

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Solution

The fourth proportional to 13,482.73, 18,606.26 and 7,514.78 is: 10,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.73 : 18,606.26 = 7,514.78 : x
  2. Step 2: Convert to fraction form
    13,482.73/18,606.26 = 7,514.78/x
  3. Step 3: Cross multiply
    13,482.73x = 18,606.26 × 7,514.78
  4. Step 4: Simplify right side
    13,482.73x = 139,821,950.52
  5. Step 5: Solve for x
    x = 139,821,950.52/13,482.73
  6. Step 6: Final answer
    x = 10,370.45

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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.