Home / 20,547.27-30,820.83-4,964.89

Finding the Fourth Proportional to 20,547.27, 30,820.83 and 4,964.89

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Solution

The fourth proportional to 20,547.27, 30,820.83 and 4,964.89 is: 7,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547.27 : 30,820.83 = 4,964.89 : x
  2. Step 2: Convert to fraction form
    20,547.27/30,820.83 = 4,964.89/x
  3. Step 3: Cross multiply
    20,547.27x = 30,820.83 × 4,964.89
  4. Step 4: Simplify right side
    20,547.27x = 153,022,030.66
  5. Step 5: Solve for x
    x = 153,022,030.66/20,547.27
  6. Step 6: Final answer
    x = 7,447.32

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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.