Home / 13,854.76-19,117.92-8,748.34

Finding the Fourth Proportional to 13,854.76, 19,117.92 and 8,748.34

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Solution

The fourth proportional to 13,854.76, 19,117.92 and 8,748.34 is: 12,071.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.76 : 19,117.92 = 8,748.34 : x
  2. Step 2: Convert to fraction form
    13,854.76/19,117.92 = 8,748.34/x
  3. Step 3: Cross multiply
    13,854.76x = 19,117.92 × 8,748.34
  4. Step 4: Simplify right side
    13,854.76x = 167,250,064.25
  5. Step 5: Solve for x
    x = 167,250,064.25/13,854.76
  6. Step 6: Final answer
    x = 12,071.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.