Home / 13,189.65-19,783.35-4,868.07

Finding the Fourth Proportional to 13,189.65, 19,783.35 and 4,868.07

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Solution

The fourth proportional to 13,189.65, 19,783.35 and 4,868.07 is: 7,301.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189.65 : 19,783.35 = 4,868.07 : x
  2. Step 2: Convert to fraction form
    13,189.65/19,783.35 = 4,868.07/x
  3. Step 3: Cross multiply
    13,189.65x = 19,783.35 × 4,868.07
  4. Step 4: Simplify right side
    13,189.65x = 96,306,732.63
  5. Step 5: Solve for x
    x = 96,306,732.63/13,189.65
  6. Step 6: Final answer
    x = 7,301.69

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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.