Home / 15,519.38-23,276.25-6,639.71

Finding the Fourth Proportional to 15,519.38, 23,276.25 and 6,639.71

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Solution

The fourth proportional to 15,519.38, 23,276.25 and 6,639.71 is: 9,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519.38 : 23,276.25 = 6,639.71 : x
  2. Step 2: Convert to fraction form
    15,519.38/23,276.25 = 6,639.71/x
  3. Step 3: Cross multiply
    15,519.38x = 23,276.25 × 6,639.71
  4. Step 4: Simplify right side
    15,519.38x = 154,547,433.51
  5. Step 5: Solve for x
    x = 154,547,433.51/15,519.38
  6. Step 6: Final answer
    x = 9,958.35

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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.