Home / 13,203.65-19,805.46-5,306.16

Finding the Fourth Proportional to 13,203.65, 19,805.46 and 5,306.16

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Solution

The fourth proportional to 13,203.65, 19,805.46 and 5,306.16 is: 7,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.65 : 19,805.46 = 5,306.16 : x
  2. Step 2: Convert to fraction form
    13,203.65/19,805.46 = 5,306.16/x
  3. Step 3: Cross multiply
    13,203.65x = 19,805.46 × 5,306.16
  4. Step 4: Simplify right side
    13,203.65x = 105,090,939.63
  5. Step 5: Solve for x
    x = 105,090,939.63/13,203.65
  6. Step 6: Final answer
    x = 7,959.23

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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.