Home / 16,681.90-25,015.47-4,992.94

Finding the Fourth Proportional to 16,681.90, 25,015.47 and 4,992.94

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Solution

The fourth proportional to 16,681.90, 25,015.47 and 4,992.94 is: 7,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.90 : 25,015.47 = 4,992.94 : x
  2. Step 2: Convert to fraction form
    16,681.90/25,015.47 = 4,992.94/x
  3. Step 3: Cross multiply
    16,681.90x = 25,015.47 × 4,992.94
  4. Step 4: Simplify right side
    16,681.90x = 124,900,740.78
  5. Step 5: Solve for x
    x = 124,900,740.78/16,681.90
  6. Step 6: Final answer
    x = 7,487.20

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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.