Home / 20,615.16-30,925.17-6,570.30

Finding the Fourth Proportional to 20,615.16, 30,925.17 and 6,570.30

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Solution

The fourth proportional to 20,615.16, 30,925.17 and 6,570.30 is: 9,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615.16 : 30,925.17 = 6,570.30 : x
  2. Step 2: Convert to fraction form
    20,615.16/30,925.17 = 6,570.30/x
  3. Step 3: Cross multiply
    20,615.16x = 30,925.17 × 6,570.30
  4. Step 4: Simplify right side
    20,615.16x = 203,187,644.45
  5. Step 5: Solve for x
    x = 203,187,644.45/20,615.16
  6. Step 6: Final answer
    x = 9,856.22

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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.