Home / 18,442.07-27,636.62-10,528.16

Finding the Fourth Proportional to 18,442.07, 27,636.62 and 10,528.16

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Solution

The fourth proportional to 18,442.07, 27,636.62 and 10,528.16 is: 15,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.07 : 27,636.62 = 10,528.16 : x
  2. Step 2: Convert to fraction form
    18,442.07/27,636.62 = 10,528.16/x
  3. Step 3: Cross multiply
    18,442.07x = 27,636.62 × 10,528.16
  4. Step 4: Simplify right side
    18,442.07x = 290,962,566.40
  5. Step 5: Solve for x
    x = 290,962,566.40/18,442.07
  6. Step 6: Final answer
    x = 15,777.11

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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.