Home / 18,866.64-26,034.48-10,903.44

Finding the Fourth Proportional to 18,866.64, 26,034.48 and 10,903.44

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Solution

The fourth proportional to 18,866.64, 26,034.48 and 10,903.44 is: 15,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.64 : 26,034.48 = 10,903.44 : x
  2. Step 2: Convert to fraction form
    18,866.64/26,034.48 = 10,903.44/x
  3. Step 3: Cross multiply
    18,866.64x = 26,034.48 × 10,903.44
  4. Step 4: Simplify right side
    18,866.64x = 283,865,390.61
  5. Step 5: Solve for x
    x = 283,865,390.61/18,866.64
  6. Step 6: Final answer
    x = 15,045.89

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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.