Home / 20,717.99-31,064.98-14,152.11

Finding the Fourth Proportional to 20,717.99, 31,064.98 and 14,152.11

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Solution

The fourth proportional to 20,717.99, 31,064.98 and 14,152.11 is: 21,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717.99 : 31,064.98 = 14,152.11 : x
  2. Step 2: Convert to fraction form
    20,717.99/31,064.98 = 14,152.11/x
  3. Step 3: Cross multiply
    20,717.99x = 31,064.98 × 14,152.11
  4. Step 4: Simplify right side
    20,717.99x = 439,635,014.11
  5. Step 5: Solve for x
    x = 439,635,014.11/20,717.99
  6. Step 6: Final answer
    x = 21,219.96

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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.