Home / 18,612.07-25,688.70-11,448.14

Finding the Fourth Proportional to 18,612.07, 25,688.70 and 11,448.14

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Solution

The fourth proportional to 18,612.07, 25,688.70 and 11,448.14 is: 15,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.07 : 25,688.70 = 11,448.14 : x
  2. Step 2: Convert to fraction form
    18,612.07/25,688.70 = 11,448.14/x
  3. Step 3: Cross multiply
    18,612.07x = 25,688.70 × 11,448.14
  4. Step 4: Simplify right side
    18,612.07x = 294,087,834.02
  5. Step 5: Solve for x
    x = 294,087,834.02/18,612.07
  6. Step 6: Final answer
    x = 15,800.92

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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.