Home / 13,319.96-19,983.48-4,554.86

Finding the Fourth Proportional to 13,319.96, 19,983.48 and 4,554.86

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Solution

The fourth proportional to 13,319.96, 19,983.48 and 4,554.86 is: 6,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.96 : 19,983.48 = 4,554.86 : x
  2. Step 2: Convert to fraction form
    13,319.96/19,983.48 = 4,554.86/x
  3. Step 3: Cross multiply
    13,319.96x = 19,983.48 × 4,554.86
  4. Step 4: Simplify right side
    13,319.96x = 91,021,953.71
  5. Step 5: Solve for x
    x = 91,021,953.71/13,319.96
  6. Step 6: Final answer
    x = 6,833.50

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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.