Home / 16,875.84-25,287.60-12,711.36

Finding the Fourth Proportional to 16,875.84, 25,287.60 and 12,711.36

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Solution

The fourth proportional to 16,875.84, 25,287.60 and 12,711.36 is: 19,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.84 : 25,287.60 = 12,711.36 : x
  2. Step 2: Convert to fraction form
    16,875.84/25,287.60 = 12,711.36/x
  3. Step 3: Cross multiply
    16,875.84x = 25,287.60 × 12,711.36
  4. Step 4: Simplify right side
    16,875.84x = 321,439,787.14
  5. Step 5: Solve for x
    x = 321,439,787.14/16,875.84
  6. Step 6: Final answer
    x = 19,047.34

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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.