Home / 12,798.32-19,185.08-6,561.27

Finding the Fourth Proportional to 12,798.32, 19,185.08 and 6,561.27

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Solution

The fourth proportional to 12,798.32, 19,185.08 and 6,561.27 is: 9,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.32 : 19,185.08 = 6,561.27 : x
  2. Step 2: Convert to fraction form
    12,798.32/19,185.08 = 6,561.27/x
  3. Step 3: Cross multiply
    12,798.32x = 19,185.08 × 6,561.27
  4. Step 4: Simplify right side
    12,798.32x = 125,878,457.05
  5. Step 5: Solve for x
    x = 125,878,457.05/12,798.32
  6. Step 6: Final answer
    x = 9,835.55

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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.