Home / 14,971.99-20,663.27-12,449.76

Finding the Fourth Proportional to 14,971.99, 20,663.27 and 12,449.76

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Solution

The fourth proportional to 14,971.99, 20,663.27 and 12,449.76 is: 17,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,971.99 : 20,663.27 = 12,449.76 : x
  2. Step 2: Convert to fraction form
    14,971.99/20,663.27 = 12,449.76/x
  3. Step 3: Cross multiply
    14,971.99x = 20,663.27 × 12,449.76
  4. Step 4: Simplify right side
    14,971.99x = 257,252,741.72
  5. Step 5: Solve for x
    x = 257,252,741.72/14,971.99
  6. Step 6: Final answer
    x = 17,182.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.