Home / 10,619.71-14,655.79-5,903.99

Finding the Fourth Proportional to 10,619.71, 14,655.79 and 5,903.99

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Solution

The fourth proportional to 10,619.71, 14,655.79 and 5,903.99 is: 8,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.71 : 14,655.79 = 5,903.99 : x
  2. Step 2: Convert to fraction form
    10,619.71/14,655.79 = 5,903.99/x
  3. Step 3: Cross multiply
    10,619.71x = 14,655.79 × 5,903.99
  4. Step 4: Simplify right side
    10,619.71x = 86,527,593.45
  5. Step 5: Solve for x
    x = 86,527,593.45/10,619.71
  6. Step 6: Final answer
    x = 8,147.83

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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.