Home / 18,880.94-26,053.17-10,920.26

Finding the Fourth Proportional to 18,880.94, 26,053.17 and 10,920.26

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Solution

The fourth proportional to 18,880.94, 26,053.17 and 10,920.26 is: 15,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.94 : 26,053.17 = 10,920.26 : x
  2. Step 2: Convert to fraction form
    18,880.94/26,053.17 = 10,920.26/x
  3. Step 3: Cross multiply
    18,880.94x = 26,053.17 × 10,920.26
  4. Step 4: Simplify right side
    18,880.94x = 284,507,390.22
  5. Step 5: Solve for x
    x = 284,507,390.22/18,880.94
  6. Step 6: Final answer
    x = 15,068.50

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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.