Home / 12,550.04-18,828.95-7,557.90

Finding the Fourth Proportional to 12,550.04, 18,828.95 and 7,557.90

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Solution

The fourth proportional to 12,550.04, 18,828.95 and 7,557.90 is: 11,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.04 : 18,828.95 = 7,557.90 : x
  2. Step 2: Convert to fraction form
    12,550.04/18,828.95 = 7,557.90/x
  3. Step 3: Cross multiply
    12,550.04x = 18,828.95 × 7,557.90
  4. Step 4: Simplify right side
    12,550.04x = 142,307,321.21
  5. Step 5: Solve for x
    x = 142,307,321.21/12,550.04
  6. Step 6: Final answer
    x = 11,339.19

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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.