Home / 18,703.06-28,030.36-7,596.76

Finding the Fourth Proportional to 18,703.06, 28,030.36 and 7,596.76

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Solution

The fourth proportional to 18,703.06, 28,030.36 and 7,596.76 is: 11,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703.06 : 28,030.36 = 7,596.76 : x
  2. Step 2: Convert to fraction form
    18,703.06/28,030.36 = 7,596.76/x
  3. Step 3: Cross multiply
    18,703.06x = 28,030.36 × 7,596.76
  4. Step 4: Simplify right side
    18,703.06x = 212,939,917.63
  5. Step 5: Solve for x
    x = 212,939,917.63/18,703.06
  6. Step 6: Final answer
    x = 11,385.30

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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.