Home / 7,018.04-10,478.19-6,318.20

Finding the Fourth Proportional to 7,018.04, 10,478.19 and 6,318.20

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Solution

The fourth proportional to 7,018.04, 10,478.19 and 6,318.20 is: 9,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.04 : 10,478.19 = 6,318.20 : x
  2. Step 2: Convert to fraction form
    7,018.04/10,478.19 = 6,318.20/x
  3. Step 3: Cross multiply
    7,018.04x = 10,478.19 × 6,318.20
  4. Step 4: Simplify right side
    7,018.04x = 66,203,247.67
  5. Step 5: Solve for x
    x = 66,203,247.67/7,018.04
  6. Step 6: Final answer
    x = 9,433.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.