Home / 18,389.08-27,590.28-11,360.89

Finding the Fourth Proportional to 18,389.08, 27,590.28 and 11,360.89

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Solution

The fourth proportional to 18,389.08, 27,590.28 and 11,360.89 is: 17,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.08 : 27,590.28 = 11,360.89 : x
  2. Step 2: Convert to fraction form
    18,389.08/27,590.28 = 11,360.89/x
  3. Step 3: Cross multiply
    18,389.08x = 27,590.28 × 11,360.89
  4. Step 4: Simplify right side
    18,389.08x = 313,450,136.15
  5. Step 5: Solve for x
    x = 313,450,136.15/18,389.08
  6. Step 6: Final answer
    x = 17,045.45

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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.