Home / 10,934.10-16,420.59-7,653.60

Finding the Fourth Proportional to 10,934.10, 16,420.59 and 7,653.60

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Solution

The fourth proportional to 10,934.10, 16,420.59 and 7,653.60 is: 11,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.10 : 16,420.59 = 7,653.60 : x
  2. Step 2: Convert to fraction form
    10,934.10/16,420.59 = 7,653.60/x
  3. Step 3: Cross multiply
    10,934.10x = 16,420.59 × 7,653.60
  4. Step 4: Simplify right side
    10,934.10x = 125,676,627.62
  5. Step 5: Solve for x
    x = 125,676,627.62/10,934.10
  6. Step 6: Final answer
    x = 11,494.01

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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.