Home / 18,817.47-25,963.95-10,858.01

Finding the Fourth Proportional to 18,817.47, 25,963.95 and 10,858.01

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Solution

The fourth proportional to 18,817.47, 25,963.95 and 10,858.01 is: 14,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.47 : 25,963.95 = 10,858.01 : x
  2. Step 2: Convert to fraction form
    18,817.47/25,963.95 = 10,858.01/x
  3. Step 3: Cross multiply
    18,817.47x = 25,963.95 × 10,858.01
  4. Step 4: Simplify right side
    18,817.47x = 281,916,698.92
  5. Step 5: Solve for x
    x = 281,916,698.92/18,817.47
  6. Step 6: Final answer
    x = 14,981.65

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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.