Home / 9,720.84-14,582.94-6,436.56

Finding the Fourth Proportional to 9,720.84, 14,582.94 and 6,436.56

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Solution

The fourth proportional to 9,720.84, 14,582.94 and 6,436.56 is: 9,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.84 : 14,582.94 = 6,436.56 : x
  2. Step 2: Convert to fraction form
    9,720.84/14,582.94 = 6,436.56/x
  3. Step 3: Cross multiply
    9,720.84x = 14,582.94 × 6,436.56
  4. Step 4: Simplify right side
    9,720.84x = 93,863,968.29
  5. Step 5: Solve for x
    x = 93,863,968.29/9,720.84
  6. Step 6: Final answer
    x = 9,655.95

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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.