Home / 18,864.47-26,037.78-10,905.68

Finding the Fourth Proportional to 18,864.47, 26,037.78 and 10,905.68

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Solution

The fourth proportional to 18,864.47, 26,037.78 and 10,905.68 is: 15,052.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.47 : 26,037.78 = 10,905.68 : x
  2. Step 2: Convert to fraction form
    18,864.47/26,037.78 = 10,905.68/x
  3. Step 3: Cross multiply
    18,864.47x = 26,037.78 × 10,905.68
  4. Step 4: Simplify right side
    18,864.47x = 283,959,696.59
  5. Step 5: Solve for x
    x = 283,959,696.59/18,864.47
  6. Step 6: Final answer
    x = 15,052.62

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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.