Home / 14,345.60-19,795.82-8,056.76

Finding the Fourth Proportional to 14,345.60, 19,795.82 and 8,056.76

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Solution

The fourth proportional to 14,345.60, 19,795.82 and 8,056.76 is: 11,117.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.60 : 19,795.82 = 8,056.76 : x
  2. Step 2: Convert to fraction form
    14,345.60/19,795.82 = 8,056.76/x
  3. Step 3: Cross multiply
    14,345.60x = 19,795.82 × 8,056.76
  4. Step 4: Simplify right side
    14,345.60x = 159,490,170.74
  5. Step 5: Solve for x
    x = 159,490,170.74/14,345.60
  6. Step 6: Final answer
    x = 11,117.71

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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.