Home / 18,877.47-26,056.32-12,505.10

Finding the Fourth Proportional to 18,877.47, 26,056.32 and 12,505.10

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Solution

The fourth proportional to 18,877.47, 26,056.32 and 12,505.10 is: 17,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.47 : 26,056.32 = 12,505.10 : x
  2. Step 2: Convert to fraction form
    18,877.47/26,056.32 = 12,505.10/x
  3. Step 3: Cross multiply
    18,877.47x = 26,056.32 × 12,505.10
  4. Step 4: Simplify right side
    18,877.47x = 325,836,710.06
  5. Step 5: Solve for x
    x = 325,836,710.06/18,877.47
  6. Step 6: Final answer
    x = 17,260.62

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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.