Home / 14,048.78-21,074.14-4,187.30

Finding the Fourth Proportional to 14,048.78, 21,074.14 and 4,187.30

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Solution

The fourth proportional to 14,048.78, 21,074.14 and 4,187.30 is: 6,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.78 : 21,074.14 = 4,187.30 : x
  2. Step 2: Convert to fraction form
    14,048.78/21,074.14 = 4,187.30/x
  3. Step 3: Cross multiply
    14,048.78x = 21,074.14 × 4,187.30
  4. Step 4: Simplify right side
    14,048.78x = 88,243,746.42
  5. Step 5: Solve for x
    x = 88,243,746.42/14,048.78
  6. Step 6: Final answer
    x = 6,281.24

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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.