Home / 10,322.64-15,488.82-6,424.92

Finding the Fourth Proportional to 10,322.64, 15,488.82 and 6,424.92

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Solution

The fourth proportional to 10,322.64, 15,488.82 and 6,424.92 is: 9,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,322.64 : 15,488.82 = 6,424.92 : x
  2. Step 2: Convert to fraction form
    10,322.64/15,488.82 = 6,424.92/x
  3. Step 3: Cross multiply
    10,322.64x = 15,488.82 × 6,424.92
  4. Step 4: Simplify right side
    10,322.64x = 99,514,429.39
  5. Step 5: Solve for x
    x = 99,514,429.39/10,322.64
  6. Step 6: Final answer
    x = 9,640.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.