Home / 15,871.70-23,802.66-10,972.82

Finding the Fourth Proportional to 15,871.70, 23,802.66 and 10,972.82

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Solution

The fourth proportional to 15,871.70, 23,802.66 and 10,972.82 is: 16,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.70 : 23,802.66 = 10,972.82 : x
  2. Step 2: Convert to fraction form
    15,871.70/23,802.66 = 10,972.82/x
  3. Step 3: Cross multiply
    15,871.70x = 23,802.66 × 10,972.82
  4. Step 4: Simplify right side
    15,871.70x = 261,182,303.70
  5. Step 5: Solve for x
    x = 261,182,303.70/15,871.70
  6. Step 6: Final answer
    x = 16,455.85

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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.