Home / 9,019.02-12,444.43-5,242.20

Finding the Fourth Proportional to 9,019.02, 12,444.43 and 5,242.20

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Solution

The fourth proportional to 9,019.02, 12,444.43 and 5,242.20 is: 7,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.02 : 12,444.43 = 5,242.20 : x
  2. Step 2: Convert to fraction form
    9,019.02/12,444.43 = 5,242.20/x
  3. Step 3: Cross multiply
    9,019.02x = 12,444.43 × 5,242.20
  4. Step 4: Simplify right side
    9,019.02x = 65,236,190.95
  5. Step 5: Solve for x
    x = 65,236,190.95/9,019.02
  6. Step 6: Final answer
    x = 7,233.18

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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.