Home / 9,890.79-14,839.29-6,187.92

Finding the Fourth Proportional to 9,890.79, 14,839.29 and 6,187.92

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Solution

The fourth proportional to 9,890.79, 14,839.29 and 6,187.92 is: 9,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.79 : 14,839.29 = 6,187.92 : x
  2. Step 2: Convert to fraction form
    9,890.79/14,839.29 = 6,187.92/x
  3. Step 3: Cross multiply
    9,890.79x = 14,839.29 × 6,187.92
  4. Step 4: Simplify right side
    9,890.79x = 91,824,339.38
  5. Step 5: Solve for x
    x = 91,824,339.38/9,890.79
  6. Step 6: Final answer
    x = 9,283.82

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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.