Home / 12,792.33-19,210.04-8,357.58

Finding the Fourth Proportional to 12,792.33, 19,210.04 and 8,357.58

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Solution

The fourth proportional to 12,792.33, 19,210.04 and 8,357.58 is: 12,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,792.33 : 19,210.04 = 8,357.58 : x
  2. Step 2: Convert to fraction form
    12,792.33/19,210.04 = 8,357.58/x
  3. Step 3: Cross multiply
    12,792.33x = 19,210.04 × 8,357.58
  4. Step 4: Simplify right side
    12,792.33x = 160,549,482.67
  5. Step 5: Solve for x
    x = 160,549,482.67/12,792.33
  6. Step 6: Final answer
    x = 12,550.45

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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.