Home / 9,514.80-13,130.28-5,323.05

Finding the Fourth Proportional to 9,514.80, 13,130.28 and 5,323.05

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Solution

The fourth proportional to 9,514.80, 13,130.28 and 5,323.05 is: 7,345.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.80 : 13,130.28 = 5,323.05 : x
  2. Step 2: Convert to fraction form
    9,514.80/13,130.28 = 5,323.05/x
  3. Step 3: Cross multiply
    9,514.80x = 13,130.28 × 5,323.05
  4. Step 4: Simplify right side
    9,514.80x = 69,893,136.95
  5. Step 5: Solve for x
    x = 69,893,136.95/9,514.80
  6. Step 6: Final answer
    x = 7,345.73

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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.