Home / 18,708.81-25,816.32-10,324.77

Finding the Fourth Proportional to 18,708.81, 25,816.32 and 10,324.77

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Solution

The fourth proportional to 18,708.81, 25,816.32 and 10,324.77 is: 14,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.81 : 25,816.32 = 10,324.77 : x
  2. Step 2: Convert to fraction form
    18,708.81/25,816.32 = 10,324.77/x
  3. Step 3: Cross multiply
    18,708.81x = 25,816.32 × 10,324.77
  4. Step 4: Simplify right side
    18,708.81x = 266,547,566.25
  5. Step 5: Solve for x
    x = 266,547,566.25/18,708.81
  6. Step 6: Final answer
    x = 14,247.17

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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.