Home / 13,345.56-20,030.46-7,110.89

Finding the Fourth Proportional to 13,345.56, 20,030.46 and 7,110.89

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Solution

The fourth proportional to 13,345.56, 20,030.46 and 7,110.89 is: 10,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.56 : 20,030.46 = 7,110.89 : x
  2. Step 2: Convert to fraction form
    13,345.56/20,030.46 = 7,110.89/x
  3. Step 3: Cross multiply
    13,345.56x = 20,030.46 × 7,110.89
  4. Step 4: Simplify right side
    13,345.56x = 142,434,346.01
  5. Step 5: Solve for x
    x = 142,434,346.01/13,345.56
  6. Step 6: Final answer
    x = 10,672.79

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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.