Home / 18,943.47-26,143.76-10,559.79

Finding the Fourth Proportional to 18,943.47, 26,143.76 and 10,559.79

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Solution

The fourth proportional to 18,943.47, 26,143.76 and 10,559.79 is: 14,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.47 : 26,143.76 = 10,559.79 : x
  2. Step 2: Convert to fraction form
    18,943.47/26,143.76 = 10,559.79/x
  3. Step 3: Cross multiply
    18,943.47x = 26,143.76 × 10,559.79
  4. Step 4: Simplify right side
    18,943.47x = 276,072,562.61
  5. Step 5: Solve for x
    x = 276,072,562.61/18,943.47
  6. Step 6: Final answer
    x = 14,573.49

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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.