Home / 17,830.80-26,732.96-10,812.32

Finding the Fourth Proportional to 17,830.80, 26,732.96 and 10,812.32

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Solution

The fourth proportional to 17,830.80, 26,732.96 and 10,812.32 is: 16,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,830.80 : 26,732.96 = 10,812.32 : x
  2. Step 2: Convert to fraction form
    17,830.80/26,732.96 = 10,812.32/x
  3. Step 3: Cross multiply
    17,830.80x = 26,732.96 × 10,812.32
  4. Step 4: Simplify right side
    17,830.80x = 289,045,318.07
  5. Step 5: Solve for x
    x = 289,045,318.07/17,830.80
  6. Step 6: Final answer
    x = 16,210.45

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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.