Home / 17,790.08-26,686.62-5,309.30

Finding the Fourth Proportional to 17,790.08, 26,686.62 and 5,309.30

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Solution

The fourth proportional to 17,790.08, 26,686.62 and 5,309.30 is: 7,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.08 : 26,686.62 = 5,309.30 : x
  2. Step 2: Convert to fraction form
    17,790.08/26,686.62 = 5,309.30/x
  3. Step 3: Cross multiply
    17,790.08x = 26,686.62 × 5,309.30
  4. Step 4: Simplify right side
    17,790.08x = 141,687,271.57
  5. Step 5: Solve for x
    x = 141,687,271.57/17,790.08
  6. Step 6: Final answer
    x = 7,964.40

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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.