Home / 21,798.08-32,697.12-6,215.76

Finding the Fourth Proportional to 21,798.08, 32,697.12 and 6,215.76

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Solution

The fourth proportional to 21,798.08, 32,697.12 and 6,215.76 is: 9,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,798.08 : 32,697.12 = 6,215.76 : x
  2. Step 2: Convert to fraction form
    21,798.08/32,697.12 = 6,215.76/x
  3. Step 3: Cross multiply
    21,798.08x = 32,697.12 × 6,215.76
  4. Step 4: Simplify right side
    21,798.08x = 203,237,450.61
  5. Step 5: Solve for x
    x = 203,237,450.61/21,798.08
  6. Step 6: Final answer
    x = 9,323.64

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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.