Home / 10,844.68-14,965.95-6,128.86

Finding the Fourth Proportional to 10,844.68, 14,965.95 and 6,128.86

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Solution

The fourth proportional to 10,844.68, 14,965.95 and 6,128.86 is: 8,457.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,844.68 : 14,965.95 = 6,128.86 : x
  2. Step 2: Convert to fraction form
    10,844.68/14,965.95 = 6,128.86/x
  3. Step 3: Cross multiply
    10,844.68x = 14,965.95 × 6,128.86
  4. Step 4: Simplify right side
    10,844.68x = 91,724,212.32
  5. Step 5: Solve for x
    x = 91,724,212.32/10,844.68
  6. Step 6: Final answer
    x = 8,457.99

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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.