Home / 18,418.41-25,417.40-10,034.91

Finding the Fourth Proportional to 18,418.41, 25,417.40 and 10,034.91

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Solution

The fourth proportional to 18,418.41, 25,417.40 and 10,034.91 is: 13,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.41 : 25,417.40 = 10,034.91 : x
  2. Step 2: Convert to fraction form
    18,418.41/25,417.40 = 10,034.91/x
  3. Step 3: Cross multiply
    18,418.41x = 25,417.40 × 10,034.91
  4. Step 4: Simplify right side
    18,418.41x = 255,061,271.26
  5. Step 5: Solve for x
    x = 255,061,271.26/18,418.41
  6. Step 6: Final answer
    x = 13,848.17

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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.