Home / 9,721.47-14,581.74-4,453.44

Finding the Fourth Proportional to 9,721.47, 14,581.74 and 4,453.44

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Solution

The fourth proportional to 9,721.47, 14,581.74 and 4,453.44 is: 6,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.47 : 14,581.74 = 4,453.44 : x
  2. Step 2: Convert to fraction form
    9,721.47/14,581.74 = 4,453.44/x
  3. Step 3: Cross multiply
    9,721.47x = 14,581.74 × 4,453.44
  4. Step 4: Simplify right side
    9,721.47x = 64,938,904.19
  5. Step 5: Solve for x
    x = 64,938,904.19/9,721.47
  6. Step 6: Final answer
    x = 6,679.95

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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.