Home / 15,789.03-23,678.82-13,008.81

Finding the Fourth Proportional to 15,789.03, 23,678.82 and 13,008.81

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Solution

The fourth proportional to 15,789.03, 23,678.82 and 13,008.81 is: 19,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.03 : 23,678.82 = 13,008.81 : x
  2. Step 2: Convert to fraction form
    15,789.03/23,678.82 = 13,008.81/x
  3. Step 3: Cross multiply
    15,789.03x = 23,678.82 × 13,008.81
  4. Step 4: Simplify right side
    15,789.03x = 308,033,270.40
  5. Step 5: Solve for x
    x = 308,033,270.40/15,789.03
  6. Step 6: Final answer
    x = 19,509.32

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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.