Home / 13,948.11-20,897.56-7,359.77

Finding the Fourth Proportional to 13,948.11, 20,897.56 and 7,359.77

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Solution

The fourth proportional to 13,948.11, 20,897.56 and 7,359.77 is: 11,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.11 : 20,897.56 = 7,359.77 : x
  2. Step 2: Convert to fraction form
    13,948.11/20,897.56 = 7,359.77/x
  3. Step 3: Cross multiply
    13,948.11x = 20,897.56 × 7,359.77
  4. Step 4: Simplify right side
    13,948.11x = 153,801,235.16
  5. Step 5: Solve for x
    x = 153,801,235.16/13,948.11
  6. Step 6: Final answer
    x = 11,026.67

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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.