Home / 12,632.36-18,948.33-4,318.11

Finding the Fourth Proportional to 12,632.36, 18,948.33 and 4,318.11

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Solution

The fourth proportional to 12,632.36, 18,948.33 and 4,318.11 is: 6,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.36 : 18,948.33 = 4,318.11 : x
  2. Step 2: Convert to fraction form
    12,632.36/18,948.33 = 4,318.11/x
  3. Step 3: Cross multiply
    12,632.36x = 18,948.33 × 4,318.11
  4. Step 4: Simplify right side
    12,632.36x = 81,820,973.26
  5. Step 5: Solve for x
    x = 81,820,973.26/12,632.36
  6. Step 6: Final answer
    x = 6,477.10

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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.