Home / 19,851.43-27,376.69-13,487.55

Finding the Fourth Proportional to 19,851.43, 27,376.69 and 13,487.55

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Solution

The fourth proportional to 19,851.43, 27,376.69 and 13,487.55 is: 18,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.43 : 27,376.69 = 13,487.55 : x
  2. Step 2: Convert to fraction form
    19,851.43/27,376.69 = 13,487.55/x
  3. Step 3: Cross multiply
    19,851.43x = 27,376.69 × 13,487.55
  4. Step 4: Simplify right side
    19,851.43x = 369,244,492.07
  5. Step 5: Solve for x
    x = 369,244,492.07/19,851.43
  6. Step 6: Final answer
    x = 18,600.40

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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.