Home / 13,346.01-20,020.38-4,579.79

Finding the Fourth Proportional to 13,346.01, 20,020.38 and 4,579.79

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Solution

The fourth proportional to 13,346.01, 20,020.38 and 4,579.79 is: 6,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.01 : 20,020.38 = 4,579.79 : x
  2. Step 2: Convert to fraction form
    13,346.01/20,020.38 = 4,579.79/x
  3. Step 3: Cross multiply
    13,346.01x = 20,020.38 × 4,579.79
  4. Step 4: Simplify right side
    13,346.01x = 91,689,036.02
  5. Step 5: Solve for x
    x = 91,689,036.02/13,346.01
  6. Step 6: Final answer
    x = 6,870.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.