Home / 18,883.84-26,056.68-10,500.40

Finding the Fourth Proportional to 18,883.84, 26,056.68 and 10,500.40

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Solution

The fourth proportional to 18,883.84, 26,056.68 and 10,500.40 is: 14,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.84 : 26,056.68 = 10,500.40 : x
  2. Step 2: Convert to fraction form
    18,883.84/26,056.68 = 10,500.40/x
  3. Step 3: Cross multiply
    18,883.84x = 26,056.68 × 10,500.40
  4. Step 4: Simplify right side
    18,883.84x = 273,605,562.67
  5. Step 5: Solve for x
    x = 273,605,562.67/18,883.84
  6. Step 6: Final answer
    x = 14,488.87

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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.