Home / 13,134.47-19,689.14-4,363.23

Finding the Fourth Proportional to 13,134.47, 19,689.14 and 4,363.23

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Solution

The fourth proportional to 13,134.47, 19,689.14 and 4,363.23 is: 6,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.47 : 19,689.14 = 4,363.23 : x
  2. Step 2: Convert to fraction form
    13,134.47/19,689.14 = 4,363.23/x
  3. Step 3: Cross multiply
    13,134.47x = 19,689.14 × 4,363.23
  4. Step 4: Simplify right side
    13,134.47x = 85,908,246.32
  5. Step 5: Solve for x
    x = 85,908,246.32/13,134.47
  6. Step 6: Final answer
    x = 6,540.67

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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.