Home / 12,547.68-18,823.29-3,783.27

Finding the Fourth Proportional to 12,547.68, 18,823.29 and 3,783.27

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Solution

The fourth proportional to 12,547.68, 18,823.29 and 3,783.27 is: 5,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.68 : 18,823.29 = 3,783.27 : x
  2. Step 2: Convert to fraction form
    12,547.68/18,823.29 = 3,783.27/x
  3. Step 3: Cross multiply
    12,547.68x = 18,823.29 × 3,783.27
  4. Step 4: Simplify right side
    12,547.68x = 71,213,588.36
  5. Step 5: Solve for x
    x = 71,213,588.36/12,547.68
  6. Step 6: Final answer
    x = 5,675.44

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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.