Home / 19,569.50-29,334.93-12,529.47

Finding the Fourth Proportional to 19,569.50, 29,334.93 and 12,529.47

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Solution

The fourth proportional to 19,569.50, 29,334.93 and 12,529.47 is: 18,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.50 : 29,334.93 = 12,529.47 : x
  2. Step 2: Convert to fraction form
    19,569.50/29,334.93 = 12,529.47/x
  3. Step 3: Cross multiply
    19,569.50x = 29,334.93 × 12,529.47
  4. Step 4: Simplify right side
    19,569.50x = 367,551,125.39
  5. Step 5: Solve for x
    x = 367,551,125.39/19,569.50
  6. Step 6: Final answer
    x = 18,781.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.