Home / 10,719.10-16,079.73-3,698.20

Finding the Fourth Proportional to 10,719.10, 16,079.73 and 3,698.20

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Solution

The fourth proportional to 10,719.10, 16,079.73 and 3,698.20 is: 5,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.10 : 16,079.73 = 3,698.20 : x
  2. Step 2: Convert to fraction form
    10,719.10/16,079.73 = 3,698.20/x
  3. Step 3: Cross multiply
    10,719.10x = 16,079.73 × 3,698.20
  4. Step 4: Simplify right side
    10,719.10x = 59,466,057.49
  5. Step 5: Solve for x
    x = 59,466,057.49/10,719.10
  6. Step 6: Final answer
    x = 5,547.67

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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.