Home / 20,526.23-30,784.93-6,487.34

Finding the Fourth Proportional to 20,526.23, 30,784.93 and 6,487.34

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Solution

The fourth proportional to 20,526.23, 30,784.93 and 6,487.34 is: 9,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.23 : 30,784.93 = 6,487.34 : x
  2. Step 2: Convert to fraction form
    20,526.23/30,784.93 = 6,487.34/x
  3. Step 3: Cross multiply
    20,526.23x = 30,784.93 × 6,487.34
  4. Step 4: Simplify right side
    20,526.23x = 199,712,307.79
  5. Step 5: Solve for x
    x = 199,712,307.79/20,526.23
  6. Step 6: Final answer
    x = 9,729.61

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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.