Home / 20,225.61-30,325.23-9,695.34

Finding the Fourth Proportional to 20,225.61, 30,325.23 and 9,695.34

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Solution

The fourth proportional to 20,225.61, 30,325.23 and 9,695.34 is: 14,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.61 : 30,325.23 = 9,695.34 : x
  2. Step 2: Convert to fraction form
    20,225.61/30,325.23 = 9,695.34/x
  3. Step 3: Cross multiply
    20,225.61x = 30,325.23 × 9,695.34
  4. Step 4: Simplify right side
    20,225.61x = 294,013,415.43
  5. Step 5: Solve for x
    x = 294,013,415.43/20,225.61
  6. Step 6: Final answer
    x = 14,536.69

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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.