Home / 13,206.24-18,200.70-12,827.16

Finding the Fourth Proportional to 13,206.24, 18,200.70 and 12,827.16

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Solution

The fourth proportional to 13,206.24, 18,200.70 and 12,827.16 is: 17,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.24 : 18,200.70 = 12,827.16 : x
  2. Step 2: Convert to fraction form
    13,206.24/18,200.70 = 12,827.16/x
  3. Step 3: Cross multiply
    13,206.24x = 18,200.70 × 12,827.16
  4. Step 4: Simplify right side
    13,206.24x = 233,463,291.01
  5. Step 5: Solve for x
    x = 233,463,291.01/13,206.24
  6. Step 6: Final answer
    x = 17,678.26

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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.