Home / 14,345.48-21,518.10-8,497.88

Finding the Fourth Proportional to 14,345.48, 21,518.10 and 8,497.88

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Solution

The fourth proportional to 14,345.48, 21,518.10 and 8,497.88 is: 12,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.48 : 21,518.10 = 8,497.88 : x
  2. Step 2: Convert to fraction form
    14,345.48/21,518.10 = 8,497.88/x
  3. Step 3: Cross multiply
    14,345.48x = 21,518.10 × 8,497.88
  4. Step 4: Simplify right side
    14,345.48x = 182,858,231.63
  5. Step 5: Solve for x
    x = 182,858,231.63/14,345.48
  6. Step 6: Final answer
    x = 12,746.75

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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.