Home / 9,688.41-14,531.13-3,113.91

Finding the Fourth Proportional to 9,688.41, 14,531.13 and 3,113.91

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Solution

The fourth proportional to 9,688.41, 14,531.13 and 3,113.91 is: 4,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.41 : 14,531.13 = 3,113.91 : x
  2. Step 2: Convert to fraction form
    9,688.41/14,531.13 = 3,113.91/x
  3. Step 3: Cross multiply
    9,688.41x = 14,531.13 × 3,113.91
  4. Step 4: Simplify right side
    9,688.41x = 45,248,631.02
  5. Step 5: Solve for x
    x = 45,248,631.02/9,688.41
  6. Step 6: Final answer
    x = 4,670.39

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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.