Home / 10,877.97-15,011.58-6,629.05

Finding the Fourth Proportional to 10,877.97, 15,011.58 and 6,629.05

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Solution

The fourth proportional to 10,877.97, 15,011.58 and 6,629.05 is: 9,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.97 : 15,011.58 = 6,629.05 : x
  2. Step 2: Convert to fraction form
    10,877.97/15,011.58 = 6,629.05/x
  3. Step 3: Cross multiply
    10,877.97x = 15,011.58 × 6,629.05
  4. Step 4: Simplify right side
    10,877.97x = 99,512,506.48
  5. Step 5: Solve for x
    x = 99,512,506.48/10,877.97
  6. Step 6: Final answer
    x = 9,148.08

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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.