Home / 14,491.35-19,988.78-9,951.84

Finding the Fourth Proportional to 14,491.35, 19,988.78 and 9,951.84

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Solution

The fourth proportional to 14,491.35, 19,988.78 and 9,951.84 is: 13,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.35 : 19,988.78 = 9,951.84 : x
  2. Step 2: Convert to fraction form
    14,491.35/19,988.78 = 9,951.84/x
  3. Step 3: Cross multiply
    14,491.35x = 19,988.78 × 9,951.84
  4. Step 4: Simplify right side
    14,491.35x = 198,925,090.60
  5. Step 5: Solve for x
    x = 198,925,090.60/14,491.35
  6. Step 6: Final answer
    x = 13,727.16

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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.