Home / 10,677.20-16,013.40-7,005.20

Finding the Fourth Proportional to 10,677.20, 16,013.40 and 7,005.20

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Solution

The fourth proportional to 10,677.20, 16,013.40 and 7,005.20 is: 10,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677.20 : 16,013.40 = 7,005.20 : x
  2. Step 2: Convert to fraction form
    10,677.20/16,013.40 = 7,005.20/x
  3. Step 3: Cross multiply
    10,677.20x = 16,013.40 × 7,005.20
  4. Step 4: Simplify right side
    10,677.20x = 112,177,069.68
  5. Step 5: Solve for x
    x = 112,177,069.68/10,677.20
  6. Step 6: Final answer
    x = 10,506.23

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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.