Home / 13,078.85-19,612.13-4,752.99

Finding the Fourth Proportional to 13,078.85, 19,612.13 and 4,752.99

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Solution

The fourth proportional to 13,078.85, 19,612.13 and 4,752.99 is: 7,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.85 : 19,612.13 = 4,752.99 : x
  2. Step 2: Convert to fraction form
    13,078.85/19,612.13 = 4,752.99/x
  3. Step 3: Cross multiply
    13,078.85x = 19,612.13 × 4,752.99
  4. Step 4: Simplify right side
    13,078.85x = 93,216,234.00
  5. Step 5: Solve for x
    x = 93,216,234.00/13,078.85
  6. Step 6: Final answer
    x = 7,127.25

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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.