Home / 15,717.80-23,588.86-10,787.34

Finding the Fourth Proportional to 15,717.80, 23,588.86 and 10,787.34

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Solution

The fourth proportional to 15,717.80, 23,588.86 and 10,787.34 is: 16,189.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.80 : 23,588.86 = 10,787.34 : x
  2. Step 2: Convert to fraction form
    15,717.80/23,588.86 = 10,787.34/x
  3. Step 3: Cross multiply
    15,717.80x = 23,588.86 × 10,787.34
  4. Step 4: Simplify right side
    15,717.80x = 254,461,053.03
  5. Step 5: Solve for x
    x = 254,461,053.03/15,717.80
  6. Step 6: Final answer
    x = 16,189.36

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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.