Home / 15,415.05-23,121.63-9,493.07

Finding the Fourth Proportional to 15,415.05, 23,121.63 and 9,493.07

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Solution

The fourth proportional to 15,415.05, 23,121.63 and 9,493.07 is: 14,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.05 : 23,121.63 = 9,493.07 : x
  2. Step 2: Convert to fraction form
    15,415.05/23,121.63 = 9,493.07/x
  3. Step 3: Cross multiply
    15,415.05x = 23,121.63 × 9,493.07
  4. Step 4: Simplify right side
    15,415.05x = 219,495,194.30
  5. Step 5: Solve for x
    x = 219,495,194.30/15,415.05
  6. Step 6: Final answer
    x = 14,239.02

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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.