Home / 13,245.56-19,866.75-4,358.68

Finding the Fourth Proportional to 13,245.56, 19,866.75 and 4,358.68

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Solution

The fourth proportional to 13,245.56, 19,866.75 and 4,358.68 is: 6,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.56 : 19,866.75 = 4,358.68 : x
  2. Step 2: Convert to fraction form
    13,245.56/19,866.75 = 4,358.68/x
  3. Step 3: Cross multiply
    13,245.56x = 19,866.75 × 4,358.68
  4. Step 4: Simplify right side
    13,245.56x = 86,592,805.89
  5. Step 5: Solve for x
    x = 86,592,805.89/13,245.56
  6. Step 6: Final answer
    x = 6,537.50

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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.