Home / 14,950.84-20,631.90-8,663.80

Finding the Fourth Proportional to 14,950.84, 20,631.90 and 8,663.80

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Solution

The fourth proportional to 14,950.84, 20,631.90 and 8,663.80 is: 11,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.84 : 20,631.90 = 8,663.80 : x
  2. Step 2: Convert to fraction form
    14,950.84/20,631.90 = 8,663.80/x
  3. Step 3: Cross multiply
    14,950.84x = 20,631.90 × 8,663.80
  4. Step 4: Simplify right side
    14,950.84x = 178,750,655.22
  5. Step 5: Solve for x
    x = 178,750,655.22/14,950.84
  6. Step 6: Final answer
    x = 11,955.89

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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.