Home / 18,941.40-26,139.30-10,443.83

Finding the Fourth Proportional to 18,941.40, 26,139.30 and 10,443.83

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Solution

The fourth proportional to 18,941.40, 26,139.30 and 10,443.83 is: 14,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.40 : 26,139.30 = 10,443.83 : x
  2. Step 2: Convert to fraction form
    18,941.40/26,139.30 = 10,443.83/x
  3. Step 3: Cross multiply
    18,941.40x = 26,139.30 × 10,443.83
  4. Step 4: Simplify right side
    18,941.40x = 272,994,274.82
  5. Step 5: Solve for x
    x = 272,994,274.82/18,941.40
  6. Step 6: Final answer
    x = 14,412.57

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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.