Home / 15,443.07-21,287.84-9,463.65

Finding the Fourth Proportional to 15,443.07, 21,287.84 and 9,463.65

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Solution

The fourth proportional to 15,443.07, 21,287.84 and 9,463.65 is: 13,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.07 : 21,287.84 = 9,463.65 : x
  2. Step 2: Convert to fraction form
    15,443.07/21,287.84 = 9,463.65/x
  3. Step 3: Cross multiply
    15,443.07x = 21,287.84 × 9,463.65
  4. Step 4: Simplify right side
    15,443.07x = 201,460,667.02
  5. Step 5: Solve for x
    x = 201,460,667.02/15,443.07
  6. Step 6: Final answer
    x = 13,045.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.