Home / 15,061.04-20,784.41-8,346.80

Finding the Fourth Proportional to 15,061.04, 20,784.41 and 8,346.80

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Solution

The fourth proportional to 15,061.04, 20,784.41 and 8,346.80 is: 11,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061.04 : 20,784.41 = 8,346.80 : x
  2. Step 2: Convert to fraction form
    15,061.04/20,784.41 = 8,346.80/x
  3. Step 3: Cross multiply
    15,061.04x = 20,784.41 × 8,346.80
  4. Step 4: Simplify right side
    15,061.04x = 173,483,323.62
  5. Step 5: Solve for x
    x = 173,483,323.62/15,061.04
  6. Step 6: Final answer
    x = 11,518.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.