Home / 22,582.43-31,161.93-12,511.30

Finding the Fourth Proportional to 22,582.43, 31,161.93 and 12,511.30

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Solution

The fourth proportional to 22,582.43, 31,161.93 and 12,511.30 is: 17,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,582.43 : 31,161.93 = 12,511.30 : x
  2. Step 2: Convert to fraction form
    22,582.43/31,161.93 = 12,511.30/x
  3. Step 3: Cross multiply
    22,582.43x = 31,161.93 × 12,511.30
  4. Step 4: Simplify right side
    22,582.43x = 389,876,254.81
  5. Step 5: Solve for x
    x = 389,876,254.81/22,582.43
  6. Step 6: Final answer
    x = 17,264.58

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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.