Home / 9,918.84-14,869.68-5,701.20

Finding the Fourth Proportional to 9,918.84, 14,869.68 and 5,701.20

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Solution

The fourth proportional to 9,918.84, 14,869.68 and 5,701.20 is: 8,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.84 : 14,869.68 = 5,701.20 : x
  2. Step 2: Convert to fraction form
    9,918.84/14,869.68 = 5,701.20/x
  3. Step 3: Cross multiply
    9,918.84x = 14,869.68 × 5,701.20
  4. Step 4: Simplify right side
    9,918.84x = 84,775,019.62
  5. Step 5: Solve for x
    x = 84,775,019.62/9,918.84
  6. Step 6: Final answer
    x = 8,546.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.