Home / 18,827.36-25,981.36-10,443.68

Finding the Fourth Proportional to 18,827.36, 25,981.36 and 10,443.68

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Solution

The fourth proportional to 18,827.36, 25,981.36 and 10,443.68 is: 14,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.36 : 25,981.36 = 10,443.68 : x
  2. Step 2: Convert to fraction form
    18,827.36/25,981.36 = 10,443.68/x
  3. Step 3: Cross multiply
    18,827.36x = 25,981.36 × 10,443.68
  4. Step 4: Simplify right side
    18,827.36x = 271,341,009.80
  5. Step 5: Solve for x
    x = 271,341,009.80/18,827.36
  6. Step 6: Final answer
    x = 14,412.06

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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.