Home / 10,903.40-16,360.50-4,329.44

Finding the Fourth Proportional to 10,903.40, 16,360.50 and 4,329.44

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Solution

The fourth proportional to 10,903.40, 16,360.50 and 4,329.44 is: 6,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.40 : 16,360.50 = 4,329.44 : x
  2. Step 2: Convert to fraction form
    10,903.40/16,360.50 = 4,329.44/x
  3. Step 3: Cross multiply
    10,903.40x = 16,360.50 × 4,329.44
  4. Step 4: Simplify right side
    10,903.40x = 70,831,803.12
  5. Step 5: Solve for x
    x = 70,831,803.12/10,903.40
  6. Step 6: Final answer
    x = 6,496.30

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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.