Home / 11,079.04-15,290-6,364.84

Finding the Fourth Proportional to 11,079.04, 15,290 and 6,364.84

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Solution

The fourth proportional to 11,079.04, 15,290 and 6,364.84 is: 8,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.04 : 15,290 = 6,364.84 : x
  2. Step 2: Convert to fraction form
    11,079.04/15,290 = 6,364.84/x
  3. Step 3: Cross multiply
    11,079.04x = 15,290 × 6,364.84
  4. Step 4: Simplify right side
    11,079.04x = 97,318,403.60
  5. Step 5: Solve for x
    x = 97,318,403.60/11,079.04
  6. Step 6: Final answer
    x = 8,784.01

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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.