Home / 14,028.78-21,050.01-5,710.89

Finding the Fourth Proportional to 14,028.78, 21,050.01 and 5,710.89

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Solution

The fourth proportional to 14,028.78, 21,050.01 and 5,710.89 is: 8,569.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.78 : 21,050.01 = 5,710.89 : x
  2. Step 2: Convert to fraction form
    14,028.78/21,050.01 = 5,710.89/x
  3. Step 3: Cross multiply
    14,028.78x = 21,050.01 × 5,710.89
  4. Step 4: Simplify right side
    14,028.78x = 120,214,291.61
  5. Step 5: Solve for x
    x = 120,214,291.61/14,028.78
  6. Step 6: Final answer
    x = 8,569.12

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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.