Home / 17,746.65-26,636.24-8,987.72

Finding the Fourth Proportional to 17,746.65, 26,636.24 and 8,987.72

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Solution

The fourth proportional to 17,746.65, 26,636.24 and 8,987.72 is: 13,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,746.65 : 26,636.24 = 8,987.72 : x
  2. Step 2: Convert to fraction form
    17,746.65/26,636.24 = 8,987.72/x
  3. Step 3: Cross multiply
    17,746.65x = 26,636.24 × 8,987.72
  4. Step 4: Simplify right side
    17,746.65x = 239,398,956.26
  5. Step 5: Solve for x
    x = 239,398,956.26/17,746.65
  6. Step 6: Final answer
    x = 13,489.81

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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.