Home / 38,693.16-58,039.74-10,987.56

Finding the Fourth Proportional to 38,693.16, 58,039.74 and 10,987.56

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Solution

The fourth proportional to 38,693.16, 58,039.74 and 10,987.56 is: 16,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,693.16 : 58,039.74 = 10,987.56 : x
  2. Step 2: Convert to fraction form
    38,693.16/58,039.74 = 10,987.56/x
  3. Step 3: Cross multiply
    38,693.16x = 58,039.74 × 10,987.56
  4. Step 4: Simplify right side
    38,693.16x = 637,715,125.63
  5. Step 5: Solve for x
    x = 637,715,125.63/38,693.16
  6. Step 6: Final answer
    x = 16,481.34

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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.