Home / 15,484.12-21,367.52-8,410.40

Finding the Fourth Proportional to 15,484.12, 21,367.52 and 8,410.40

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Solution

The fourth proportional to 15,484.12, 21,367.52 and 8,410.40 is: 11,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.12 : 21,367.52 = 8,410.40 : x
  2. Step 2: Convert to fraction form
    15,484.12/21,367.52 = 8,410.40/x
  3. Step 3: Cross multiply
    15,484.12x = 21,367.52 × 8,410.40
  4. Step 4: Simplify right side
    15,484.12x = 179,709,390.21
  5. Step 5: Solve for x
    x = 179,709,390.21/15,484.12
  6. Step 6: Final answer
    x = 11,606.04

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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.