Home / 10,619.36-14,650.80-6,426.08

Finding the Fourth Proportional to 10,619.36, 14,650.80 and 6,426.08

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Solution

The fourth proportional to 10,619.36, 14,650.80 and 6,426.08 is: 8,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.36 : 14,650.80 = 6,426.08 : x
  2. Step 2: Convert to fraction form
    10,619.36/14,650.80 = 6,426.08/x
  3. Step 3: Cross multiply
    10,619.36x = 14,650.80 × 6,426.08
  4. Step 4: Simplify right side
    10,619.36x = 94,147,212.86
  5. Step 5: Solve for x
    x = 94,147,212.86/10,619.36
  6. Step 6: Final answer
    x = 8,865.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.