Home / 8,359.36-12,528.12-6,157.80

Finding the Fourth Proportional to 8,359.36, 12,528.12 and 6,157.80

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Solution

The fourth proportional to 8,359.36, 12,528.12 and 6,157.80 is: 9,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.36 : 12,528.12 = 6,157.80 : x
  2. Step 2: Convert to fraction form
    8,359.36/12,528.12 = 6,157.80/x
  3. Step 3: Cross multiply
    8,359.36x = 12,528.12 × 6,157.80
  4. Step 4: Simplify right side
    8,359.36x = 77,145,657.34
  5. Step 5: Solve for x
    x = 77,145,657.34/8,359.36
  6. Step 6: Final answer
    x = 9,228.66

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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.