Home / 18,417.26-25,408.63-10,458.40

Finding the Fourth Proportional to 18,417.26, 25,408.63 and 10,458.40

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Solution

The fourth proportional to 18,417.26, 25,408.63 and 10,458.40 is: 14,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417.26 : 25,408.63 = 10,458.40 : x
  2. Step 2: Convert to fraction form
    18,417.26/25,408.63 = 10,458.40/x
  3. Step 3: Cross multiply
    18,417.26x = 25,408.63 × 10,458.40
  4. Step 4: Simplify right side
    18,417.26x = 265,733,565.54
  5. Step 5: Solve for x
    x = 265,733,565.54/18,417.26
  6. Step 6: Final answer
    x = 14,428.51

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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.