Home / 12,565.08-17,340.69-8,308.74

Finding the Fourth Proportional to 12,565.08, 17,340.69 and 8,308.74

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Solution

The fourth proportional to 12,565.08, 17,340.69 and 8,308.74 is: 11,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.08 : 17,340.69 = 8,308.74 : x
  2. Step 2: Convert to fraction form
    12,565.08/17,340.69 = 8,308.74/x
  3. Step 3: Cross multiply
    12,565.08x = 17,340.69 × 8,308.74
  4. Step 4: Simplify right side
    12,565.08x = 144,079,284.63
  5. Step 5: Solve for x
    x = 144,079,284.63/12,565.08
  6. Step 6: Final answer
    x = 11,466.64

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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.