Home / 18,376.32-27,569.28-12,476.48

Finding the Fourth Proportional to 18,376.32, 27,569.28 and 12,476.48

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Solution

The fourth proportional to 18,376.32, 27,569.28 and 12,476.48 is: 18,717.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.32 : 27,569.28 = 12,476.48 : x
  2. Step 2: Convert to fraction form
    18,376.32/27,569.28 = 12,476.48/x
  3. Step 3: Cross multiply
    18,376.32x = 27,569.28 × 12,476.48
  4. Step 4: Simplify right side
    18,376.32x = 343,967,570.53
  5. Step 5: Solve for x
    x = 343,967,570.53/18,376.32
  6. Step 6: Final answer
    x = 18,717.98

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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.