Home / 19,071.78-26,318.72-10,457.96

Finding the Fourth Proportional to 19,071.78, 26,318.72 and 10,457.96

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Solution

The fourth proportional to 19,071.78, 26,318.72 and 10,457.96 is: 14,431.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.78 : 26,318.72 = 10,457.96 : x
  2. Step 2: Convert to fraction form
    19,071.78/26,318.72 = 10,457.96/x
  3. Step 3: Cross multiply
    19,071.78x = 26,318.72 × 10,457.96
  4. Step 4: Simplify right side
    19,071.78x = 275,240,163.61
  5. Step 5: Solve for x
    x = 275,240,163.61/19,071.78
  6. Step 6: Final answer
    x = 14,431.80

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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.