Home / 13,117.34-19,680.57-4,352.94

Finding the Fourth Proportional to 13,117.34, 19,680.57 and 4,352.94

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Solution

The fourth proportional to 13,117.34, 19,680.57 and 4,352.94 is: 6,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.34 : 19,680.57 = 4,352.94 : x
  2. Step 2: Convert to fraction form
    13,117.34/19,680.57 = 4,352.94/x
  3. Step 3: Cross multiply
    13,117.34x = 19,680.57 × 4,352.94
  4. Step 4: Simplify right side
    13,117.34x = 85,668,340.38
  5. Step 5: Solve for x
    x = 85,668,340.38/13,117.34
  6. Step 6: Final answer
    x = 6,530.92

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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.