Home / 17,585.42-26,396.36-11,782.58

Finding the Fourth Proportional to 17,585.42, 26,396.36 and 11,782.58

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Solution

The fourth proportional to 17,585.42, 26,396.36 and 11,782.58 is: 17,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,585.42 : 26,396.36 = 11,782.58 : x
  2. Step 2: Convert to fraction form
    17,585.42/26,396.36 = 11,782.58/x
  3. Step 3: Cross multiply
    17,585.42x = 26,396.36 × 11,782.58
  4. Step 4: Simplify right side
    17,585.42x = 311,017,032.51
  5. Step 5: Solve for x
    x = 311,017,032.51/17,585.42
  6. Step 6: Final answer
    x = 17,686.08

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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.