Home / 10,860.20-16,277.70-5,017.40

Finding the Fourth Proportional to 10,860.20, 16,277.70 and 5,017.40

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Solution

The fourth proportional to 10,860.20, 16,277.70 and 5,017.40 is: 7,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.20 : 16,277.70 = 5,017.40 : x
  2. Step 2: Convert to fraction form
    10,860.20/16,277.70 = 5,017.40/x
  3. Step 3: Cross multiply
    10,860.20x = 16,277.70 × 5,017.40
  4. Step 4: Simplify right side
    10,860.20x = 81,671,731.98
  5. Step 5: Solve for x
    x = 81,671,731.98/10,860.20
  6. Step 6: Final answer
    x = 7,520.28

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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.