Home / 10,056.69-13,878.28-5,580.44

Finding the Fourth Proportional to 10,056.69, 13,878.28 and 5,580.44

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Solution

The fourth proportional to 10,056.69, 13,878.28 and 5,580.44 is: 7,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.69 : 13,878.28 = 5,580.44 : x
  2. Step 2: Convert to fraction form
    10,056.69/13,878.28 = 5,580.44/x
  3. Step 3: Cross multiply
    10,056.69x = 13,878.28 × 5,580.44
  4. Step 4: Simplify right side
    10,056.69x = 77,446,908.84
  5. Step 5: Solve for x
    x = 77,446,908.84/10,056.69
  6. Step 6: Final answer
    x = 7,701.03

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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.