Home / 18,925.97-26,117.57-10,427.91

Finding the Fourth Proportional to 18,925.97, 26,117.57 and 10,427.91

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Solution

The fourth proportional to 18,925.97, 26,117.57 and 10,427.91 is: 14,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.97 : 26,117.57 = 10,427.91 : x
  2. Step 2: Convert to fraction form
    18,925.97/26,117.57 = 10,427.91/x
  3. Step 3: Cross multiply
    18,925.97x = 26,117.57 × 10,427.91
  4. Step 4: Simplify right side
    18,925.97x = 272,351,617.24
  5. Step 5: Solve for x
    x = 272,351,617.24/18,925.97
  6. Step 6: Final answer
    x = 14,390.37

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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.