Home / 11,826.80-16,318.02-7,630

Finding the Fourth Proportional to 11,826.80, 16,318.02 and 7,630

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Solution

The fourth proportional to 11,826.80, 16,318.02 and 7,630 is: 10,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.80 : 16,318.02 = 7,630 : x
  2. Step 2: Convert to fraction form
    11,826.80/16,318.02 = 7,630/x
  3. Step 3: Cross multiply
    11,826.80x = 16,318.02 × 7,630
  4. Step 4: Simplify right side
    11,826.80x = 124,506,492.60
  5. Step 5: Solve for x
    x = 124,506,492.60/11,826.80
  6. Step 6: Final answer
    x = 10,527.49

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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.