Home / 13,848.50-19,113.10-8,262.74

Finding the Fourth Proportional to 13,848.50, 19,113.10 and 8,262.74

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Solution

The fourth proportional to 13,848.50, 19,113.10 and 8,262.74 is: 11,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.50 : 19,113.10 = 8,262.74 : x
  2. Step 2: Convert to fraction form
    13,848.50/19,113.10 = 8,262.74/x
  3. Step 3: Cross multiply
    13,848.50x = 19,113.10 × 8,262.74
  4. Step 4: Simplify right side
    13,848.50x = 157,926,575.89
  5. Step 5: Solve for x
    x = 157,926,575.89/13,848.50
  6. Step 6: Final answer
    x = 11,403.88

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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.