Home / 10,756.21-16,135.95-5,488.34

Finding the Fourth Proportional to 10,756.21, 16,135.95 and 5,488.34

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Solution

The fourth proportional to 10,756.21, 16,135.95 and 5,488.34 is: 8,233.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.21 : 16,135.95 = 5,488.34 : x
  2. Step 2: Convert to fraction form
    10,756.21/16,135.95 = 5,488.34/x
  3. Step 3: Cross multiply
    10,756.21x = 16,135.95 × 5,488.34
  4. Step 4: Simplify right side
    10,756.21x = 88,559,671.00
  5. Step 5: Solve for x
    x = 88,559,671.00/10,756.21
  6. Step 6: Final answer
    x = 8,233.35

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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.