Home / 20,347.50-30,523.14-6,307.64

Finding the Fourth Proportional to 20,347.50, 30,523.14 and 6,307.64

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Solution

The fourth proportional to 20,347.50, 30,523.14 and 6,307.64 is: 9,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,347.50 : 30,523.14 = 6,307.64 : x
  2. Step 2: Convert to fraction form
    20,347.50/30,523.14 = 6,307.64/x
  3. Step 3: Cross multiply
    20,347.50x = 30,523.14 × 6,307.64
  4. Step 4: Simplify right side
    20,347.50x = 192,528,978.79
  5. Step 5: Solve for x
    x = 192,528,978.79/20,347.50
  6. Step 6: Final answer
    x = 9,462.05

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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.