Home / 9,639.81-14,458.29-2,620.23

Finding the Fourth Proportional to 9,639.81, 14,458.29 and 2,620.23

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Solution

The fourth proportional to 9,639.81, 14,458.29 and 2,620.23 is: 3,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.81 : 14,458.29 = 2,620.23 : x
  2. Step 2: Convert to fraction form
    9,639.81/14,458.29 = 2,620.23/x
  3. Step 3: Cross multiply
    9,639.81x = 14,458.29 × 2,620.23
  4. Step 4: Simplify right side
    9,639.81x = 37,884,045.21
  5. Step 5: Solve for x
    x = 37,884,045.21/9,639.81
  6. Step 6: Final answer
    x = 3,929.96

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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.