Home / 8,916.18-13,374.88-2,342.36

Finding the Fourth Proportional to 8,916.18, 13,374.88 and 2,342.36

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Solution

The fourth proportional to 8,916.18, 13,374.88 and 2,342.36 is: 3,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.18 : 13,374.88 = 2,342.36 : x
  2. Step 2: Convert to fraction form
    8,916.18/13,374.88 = 2,342.36/x
  3. Step 3: Cross multiply
    8,916.18x = 13,374.88 × 2,342.36
  4. Step 4: Simplify right side
    8,916.18x = 31,328,783.92
  5. Step 5: Solve for x
    x = 31,328,783.92/8,916.18
  6. Step 6: Final answer
    x = 3,513.70

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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.