Home / 9,579.63-13,228.20-7,066.10

Finding the Fourth Proportional to 9,579.63, 13,228.20 and 7,066.10

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Solution

The fourth proportional to 9,579.63, 13,228.20 and 7,066.10 is: 9,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.63 : 13,228.20 = 7,066.10 : x
  2. Step 2: Convert to fraction form
    9,579.63/13,228.20 = 7,066.10/x
  3. Step 3: Cross multiply
    9,579.63x = 13,228.20 × 7,066.10
  4. Step 4: Simplify right side
    9,579.63x = 93,471,784.02
  5. Step 5: Solve for x
    x = 93,471,784.02/9,579.63
  6. Step 6: Final answer
    x = 9,757.35

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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.