Home / 15,001.37-20,690.39-9,026.81

Finding the Fourth Proportional to 15,001.37, 20,690.39 and 9,026.81

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Solution

The fourth proportional to 15,001.37, 20,690.39 and 9,026.81 is: 12,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.37 : 20,690.39 = 9,026.81 : x
  2. Step 2: Convert to fraction form
    15,001.37/20,690.39 = 9,026.81/x
  3. Step 3: Cross multiply
    15,001.37x = 20,690.39 × 9,026.81
  4. Step 4: Simplify right side
    15,001.37x = 186,768,174.22
  5. Step 5: Solve for x
    x = 186,768,174.22/15,001.37
  6. Step 6: Final answer
    x = 12,450.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.