Home / 12,536.13-18,812.83-4,328.13

Finding the Fourth Proportional to 12,536.13, 18,812.83 and 4,328.13

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Solution

The fourth proportional to 12,536.13, 18,812.83 and 4,328.13 is: 6,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.13 : 18,812.83 = 4,328.13 : x
  2. Step 2: Convert to fraction form
    12,536.13/18,812.83 = 4,328.13/x
  3. Step 3: Cross multiply
    12,536.13x = 18,812.83 × 4,328.13
  4. Step 4: Simplify right side
    12,536.13x = 81,424,269.02
  5. Step 5: Solve for x
    x = 81,424,269.02/12,536.13
  6. Step 6: Final answer
    x = 6,495.17

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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.