Home / 22,337.17-30,835.79-12,903.91

Finding the Fourth Proportional to 22,337.17, 30,835.79 and 12,903.91

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Solution

The fourth proportional to 22,337.17, 30,835.79 and 12,903.91 is: 17,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,337.17 : 30,835.79 = 12,903.91 : x
  2. Step 2: Convert to fraction form
    22,337.17/30,835.79 = 12,903.91/x
  3. Step 3: Cross multiply
    22,337.17x = 30,835.79 × 12,903.91
  4. Step 4: Simplify right side
    22,337.17x = 397,902,165.72
  5. Step 5: Solve for x
    x = 397,902,165.72/22,337.17
  6. Step 6: Final answer
    x = 17,813.46

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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.