Home / 11,312.76-16,960.33-5,386.60

Finding the Fourth Proportional to 11,312.76, 16,960.33 and 5,386.60

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Solution

The fourth proportional to 11,312.76, 16,960.33 and 5,386.60 is: 8,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.76 : 16,960.33 = 5,386.60 : x
  2. Step 2: Convert to fraction form
    11,312.76/16,960.33 = 5,386.60/x
  3. Step 3: Cross multiply
    11,312.76x = 16,960.33 × 5,386.60
  4. Step 4: Simplify right side
    11,312.76x = 91,358,401.84
  5. Step 5: Solve for x
    x = 91,358,401.84/11,312.76
  6. Step 6: Final answer
    x = 8,075.70

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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.