Home / 22,819.18-31,487.36-12,746.34

Finding the Fourth Proportional to 22,819.18, 31,487.36 and 12,746.34

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Solution

The fourth proportional to 22,819.18, 31,487.36 and 12,746.34 is: 17,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,819.18 : 31,487.36 = 12,746.34 : x
  2. Step 2: Convert to fraction form
    22,819.18/31,487.36 = 12,746.34/x
  3. Step 3: Cross multiply
    22,819.18x = 31,487.36 × 12,746.34
  4. Step 4: Simplify right side
    22,819.18x = 401,348,596.26
  5. Step 5: Solve for x
    x = 401,348,596.26/22,819.18
  6. Step 6: Final answer
    x = 17,588.21

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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.