Home / 9,756.56-14,605.68-6,639.68

Finding the Fourth Proportional to 9,756.56, 14,605.68 and 6,639.68

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Solution

The fourth proportional to 9,756.56, 14,605.68 and 6,639.68 is: 9,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.56 : 14,605.68 = 6,639.68 : x
  2. Step 2: Convert to fraction form
    9,756.56/14,605.68 = 6,639.68/x
  3. Step 3: Cross multiply
    9,756.56x = 14,605.68 × 6,639.68
  4. Step 4: Simplify right side
    9,756.56x = 96,977,041.38
  5. Step 5: Solve for x
    x = 96,977,041.38/9,756.56
  6. Step 6: Final answer
    x = 9,939.68

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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.