Home / 13,154.92-19,739.67-5,363.13

Finding the Fourth Proportional to 13,154.92, 19,739.67 and 5,363.13

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Solution

The fourth proportional to 13,154.92, 19,739.67 and 5,363.13 is: 8,047.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.92 : 19,739.67 = 5,363.13 : x
  2. Step 2: Convert to fraction form
    13,154.92/19,739.67 = 5,363.13/x
  3. Step 3: Cross multiply
    13,154.92x = 19,739.67 × 5,363.13
  4. Step 4: Simplify right side
    13,154.92x = 105,866,416.37
  5. Step 5: Solve for x
    x = 105,866,416.37/13,154.92
  6. Step 6: Final answer
    x = 8,047.67

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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.