Home / 18,800.89-25,946.27-10,417.21

Finding the Fourth Proportional to 18,800.89, 25,946.27 and 10,417.21

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Solution

The fourth proportional to 18,800.89, 25,946.27 and 10,417.21 is: 14,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.89 : 25,946.27 = 10,417.21 : x
  2. Step 2: Convert to fraction form
    18,800.89/25,946.27 = 10,417.21/x
  3. Step 3: Cross multiply
    18,800.89x = 25,946.27 × 10,417.21
  4. Step 4: Simplify right side
    18,800.89x = 270,287,691.22
  5. Step 5: Solve for x
    x = 270,287,691.22/18,800.89
  6. Step 6: Final answer
    x = 14,376.32

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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.