Home / 21,656.45-32,484.87-9,174.89

Finding the Fourth Proportional to 21,656.45, 32,484.87 and 9,174.89

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Solution

The fourth proportional to 21,656.45, 32,484.87 and 9,174.89 is: 13,762.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.45 : 32,484.87 = 9,174.89 : x
  2. Step 2: Convert to fraction form
    21,656.45/32,484.87 = 9,174.89/x
  3. Step 3: Cross multiply
    21,656.45x = 32,484.87 × 9,174.89
  4. Step 4: Simplify right side
    21,656.45x = 298,044,946.49
  5. Step 5: Solve for x
    x = 298,044,946.49/21,656.45
  6. Step 6: Final answer
    x = 13,762.41

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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.