Home / 14,718.63-20,309.99-8,345.96

Finding the Fourth Proportional to 14,718.63, 20,309.99 and 8,345.96

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Solution

The fourth proportional to 14,718.63, 20,309.99 and 8,345.96 is: 11,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.63 : 20,309.99 = 8,345.96 : x
  2. Step 2: Convert to fraction form
    14,718.63/20,309.99 = 8,345.96/x
  3. Step 3: Cross multiply
    14,718.63x = 20,309.99 × 8,345.96
  4. Step 4: Simplify right side
    14,718.63x = 169,506,220.86
  5. Step 5: Solve for x
    x = 169,506,220.86/14,718.63
  6. Step 6: Final answer
    x = 11,516.44

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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.