Home / 11,931.48-17,897.45-3,166.47

Finding the Fourth Proportional to 11,931.48, 17,897.45 and 3,166.47

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Solution

The fourth proportional to 11,931.48, 17,897.45 and 3,166.47 is: 4,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.48 : 17,897.45 = 3,166.47 : x
  2. Step 2: Convert to fraction form
    11,931.48/17,897.45 = 3,166.47/x
  3. Step 3: Cross multiply
    11,931.48x = 17,897.45 × 3,166.47
  4. Step 4: Simplify right side
    11,931.48x = 56,671,722.67
  5. Step 5: Solve for x
    x = 56,671,722.67/11,931.48
  6. Step 6: Final answer
    x = 4,749.76

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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.