Home / 18,849.51-26,007.08-10,783.13

Finding the Fourth Proportional to 18,849.51, 26,007.08 and 10,783.13

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Solution

The fourth proportional to 18,849.51, 26,007.08 and 10,783.13 is: 14,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.51 : 26,007.08 = 10,783.13 : x
  2. Step 2: Convert to fraction form
    18,849.51/26,007.08 = 10,783.13/x
  3. Step 3: Cross multiply
    18,849.51x = 26,007.08 × 10,783.13
  4. Step 4: Simplify right side
    18,849.51x = 280,437,540.61
  5. Step 5: Solve for x
    x = 280,437,540.61/18,849.51
  6. Step 6: Final answer
    x = 14,877.71

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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.