Home / 9,514.24-13,128.48-5,322.40

Finding the Fourth Proportional to 9,514.24, 13,128.48 and 5,322.40

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Solution

The fourth proportional to 9,514.24, 13,128.48 and 5,322.40 is: 7,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.24 : 13,128.48 = 5,322.40 : x
  2. Step 2: Convert to fraction form
    9,514.24/13,128.48 = 5,322.40/x
  3. Step 3: Cross multiply
    9,514.24x = 13,128.48 × 5,322.40
  4. Step 4: Simplify right side
    9,514.24x = 69,875,021.95
  5. Step 5: Solve for x
    x = 69,875,021.95/9,514.24
  6. Step 6: Final answer
    x = 7,344.26

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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.