Home / 15,026.39-22,441.54-12,781.29

Finding the Fourth Proportional to 15,026.39, 22,441.54 and 12,781.29

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Solution

The fourth proportional to 15,026.39, 22,441.54 and 12,781.29 is: 19,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,026.39 : 22,441.54 = 12,781.29 : x
  2. Step 2: Convert to fraction form
    15,026.39/22,441.54 = 12,781.29/x
  3. Step 3: Cross multiply
    15,026.39x = 22,441.54 × 12,781.29
  4. Step 4: Simplify right side
    15,026.39x = 286,831,830.79
  5. Step 5: Solve for x
    x = 286,831,830.79/15,026.39
  6. Step 6: Final answer
    x = 19,088.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.