Home / 21,440.54-29,582.34-12,363.68

Finding the Fourth Proportional to 21,440.54, 29,582.34 and 12,363.68

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Solution

The fourth proportional to 21,440.54, 29,582.34 and 12,363.68 is: 17,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440.54 : 29,582.34 = 12,363.68 : x
  2. Step 2: Convert to fraction form
    21,440.54/29,582.34 = 12,363.68/x
  3. Step 3: Cross multiply
    21,440.54x = 29,582.34 × 12,363.68
  4. Step 4: Simplify right side
    21,440.54x = 365,746,585.41
  5. Step 5: Solve for x
    x = 365,746,585.41/21,440.54
  6. Step 6: Final answer
    x = 17,058.65

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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.