Home / 22,462.90-31,000.65-12,392.27

Finding the Fourth Proportional to 22,462.90, 31,000.65 and 12,392.27

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Solution

The fourth proportional to 22,462.90, 31,000.65 and 12,392.27 is: 17,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.90 : 31,000.65 = 12,392.27 : x
  2. Step 2: Convert to fraction form
    22,462.90/31,000.65 = 12,392.27/x
  3. Step 3: Cross multiply
    22,462.90x = 31,000.65 × 12,392.27
  4. Step 4: Simplify right side
    22,462.90x = 384,168,424.98
  5. Step 5: Solve for x
    x = 384,168,424.98/22,462.90
  6. Step 6: Final answer
    x = 17,102.35

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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.