Home / 16,315.79-22,516.24-9,242.21

Finding the Fourth Proportional to 16,315.79, 22,516.24 and 9,242.21

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Solution

The fourth proportional to 16,315.79, 22,516.24 and 9,242.21 is: 12,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.79 : 22,516.24 = 9,242.21 : x
  2. Step 2: Convert to fraction form
    16,315.79/22,516.24 = 9,242.21/x
  3. Step 3: Cross multiply
    16,315.79x = 22,516.24 × 9,242.21
  4. Step 4: Simplify right side
    16,315.79x = 208,099,717.46
  5. Step 5: Solve for x
    x = 208,099,717.46/16,315.79
  6. Step 6: Final answer
    x = 12,754.50

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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.