Home / 16,962.60-23,409.81-9,411.36

Finding the Fourth Proportional to 16,962.60, 23,409.81 and 9,411.36

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Solution

The fourth proportional to 16,962.60, 23,409.81 and 9,411.36 is: 12,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.60 : 23,409.81 = 9,411.36 : x
  2. Step 2: Convert to fraction form
    16,962.60/23,409.81 = 9,411.36/x
  3. Step 3: Cross multiply
    16,962.60x = 23,409.81 × 9,411.36
  4. Step 4: Simplify right side
    16,962.60x = 220,318,149.44
  5. Step 5: Solve for x
    x = 220,318,149.44/16,962.60
  6. Step 6: Final answer
    x = 12,988.47

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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.