Home / 12,909.25-19,352.40-4,588.17

Finding the Fourth Proportional to 12,909.25, 19,352.40 and 4,588.17

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Solution

The fourth proportional to 12,909.25, 19,352.40 and 4,588.17 is: 6,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909.25 : 19,352.40 = 4,588.17 : x
  2. Step 2: Convert to fraction form
    12,909.25/19,352.40 = 4,588.17/x
  3. Step 3: Cross multiply
    12,909.25x = 19,352.40 × 4,588.17
  4. Step 4: Simplify right side
    12,909.25x = 88,792,101.11
  5. Step 5: Solve for x
    x = 88,792,101.11/12,909.25
  6. Step 6: Final answer
    x = 6,878.18

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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.