Home / 17,578.80-26,359.08-6,485.04

Finding the Fourth Proportional to 17,578.80, 26,359.08 and 6,485.04

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Solution

The fourth proportional to 17,578.80, 26,359.08 and 6,485.04 is: 9,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,578.80 : 26,359.08 = 6,485.04 : x
  2. Step 2: Convert to fraction form
    17,578.80/26,359.08 = 6,485.04/x
  3. Step 3: Cross multiply
    17,578.80x = 26,359.08 × 6,485.04
  4. Step 4: Simplify right side
    17,578.80x = 170,939,688.16
  5. Step 5: Solve for x
    x = 170,939,688.16/17,578.80
  6. Step 6: Final answer
    x = 9,724.20

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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.