Home / 10,838.75-16,264.20-10,756.13

Finding the Fourth Proportional to 10,838.75, 16,264.20 and 10,756.13

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Solution

The fourth proportional to 10,838.75, 16,264.20 and 10,756.13 is: 16,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.75 : 16,264.20 = 10,756.13 : x
  2. Step 2: Convert to fraction form
    10,838.75/16,264.20 = 10,756.13/x
  3. Step 3: Cross multiply
    10,838.75x = 16,264.20 × 10,756.13
  4. Step 4: Simplify right side
    10,838.75x = 174,939,849.55
  5. Step 5: Solve for x
    x = 174,939,849.55/10,838.75
  6. Step 6: Final answer
    x = 16,140.22

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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.