Home / 9,915.11-14,867.43-5,237.63

Finding the Fourth Proportional to 9,915.11, 14,867.43 and 5,237.63

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Solution

The fourth proportional to 9,915.11, 14,867.43 and 5,237.63 is: 7,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.11 : 14,867.43 = 5,237.63 : x
  2. Step 2: Convert to fraction form
    9,915.11/14,867.43 = 5,237.63/x
  3. Step 3: Cross multiply
    9,915.11x = 14,867.43 × 5,237.63
  4. Step 4: Simplify right side
    9,915.11x = 77,870,097.39
  5. Step 5: Solve for x
    x = 77,870,097.39/9,915.11
  6. Step 6: Final answer
    x = 7,853.68

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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.