Home / 9,380.03-12,943.91-5,130.24

Finding the Fourth Proportional to 9,380.03, 12,943.91 and 5,130.24

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Solution

The fourth proportional to 9,380.03, 12,943.91 and 5,130.24 is: 7,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,380.03 : 12,943.91 = 5,130.24 : x
  2. Step 2: Convert to fraction form
    9,380.03/12,943.91 = 5,130.24/x
  3. Step 3: Cross multiply
    9,380.03x = 12,943.91 × 5,130.24
  4. Step 4: Simplify right side
    9,380.03x = 66,405,377.66
  5. Step 5: Solve for x
    x = 66,405,377.66/9,380.03
  6. Step 6: Final answer
    x = 7,079.45

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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.