Home / 13,262.85-19,897.52-7,423.56

Finding the Fourth Proportional to 13,262.85, 19,897.52 and 7,423.56

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Solution

The fourth proportional to 13,262.85, 19,897.52 and 7,423.56 is: 11,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.85 : 19,897.52 = 7,423.56 : x
  2. Step 2: Convert to fraction form
    13,262.85/19,897.52 = 7,423.56/x
  3. Step 3: Cross multiply
    13,262.85x = 19,897.52 × 7,423.56
  4. Step 4: Simplify right side
    13,262.85x = 147,710,396.45
  5. Step 5: Solve for x
    x = 147,710,396.45/13,262.85
  6. Step 6: Final answer
    x = 11,137.15

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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.