Home / 18,748.56-25,875.81-10,790.22

Finding the Fourth Proportional to 18,748.56, 25,875.81 and 10,790.22

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Solution

The fourth proportional to 18,748.56, 25,875.81 and 10,790.22 is: 14,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.56 : 25,875.81 = 10,790.22 : x
  2. Step 2: Convert to fraction form
    18,748.56/25,875.81 = 10,790.22/x
  3. Step 3: Cross multiply
    18,748.56x = 25,875.81 × 10,790.22
  4. Step 4: Simplify right side
    18,748.56x = 279,205,682.58
  5. Step 5: Solve for x
    x = 279,205,682.58/18,748.56
  6. Step 6: Final answer
    x = 14,892.11

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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.