Home / 18,461.91-25,498.68-13,448.55

Finding the Fourth Proportional to 18,461.91, 25,498.68 and 13,448.55

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Solution

The fourth proportional to 18,461.91, 25,498.68 and 13,448.55 is: 18,574.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.91 : 25,498.68 = 13,448.55 : x
  2. Step 2: Convert to fraction form
    18,461.91/25,498.68 = 13,448.55/x
  3. Step 3: Cross multiply
    18,461.91x = 25,498.68 × 13,448.55
  4. Step 4: Simplify right side
    18,461.91x = 342,920,272.91
  5. Step 5: Solve for x
    x = 342,920,272.91/18,461.91
  6. Step 6: Final answer
    x = 18,574.47

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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.