Home / 18,902.02-26,085.81-10,518.70

Finding the Fourth Proportional to 18,902.02, 26,085.81 and 10,518.70

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Solution

The fourth proportional to 18,902.02, 26,085.81 and 10,518.70 is: 14,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.02 : 26,085.81 = 10,518.70 : x
  2. Step 2: Convert to fraction form
    18,902.02/26,085.81 = 10,518.70/x
  3. Step 3: Cross multiply
    18,902.02x = 26,085.81 × 10,518.70
  4. Step 4: Simplify right side
    18,902.02x = 274,388,809.65
  5. Step 5: Solve for x
    x = 274,388,809.65/18,902.02
  6. Step 6: Final answer
    x = 14,516.37

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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.