Home / 18,812.48-25,962.40-10,856.16

Finding the Fourth Proportional to 18,812.48, 25,962.40 and 10,856.16

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Solution

The fourth proportional to 18,812.48, 25,962.40 and 10,856.16 is: 14,982.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,812.48 : 25,962.40 = 10,856.16 : x
  2. Step 2: Convert to fraction form
    18,812.48/25,962.40 = 10,856.16/x
  3. Step 3: Cross multiply
    18,812.48x = 25,962.40 × 10,856.16
  4. Step 4: Simplify right side
    18,812.48x = 281,851,968.38
  5. Step 5: Solve for x
    x = 281,851,968.38/18,812.48
  6. Step 6: Final answer
    x = 14,982.18

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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.