Home / 13,569.84-18,726.12-8,845.20

Finding the Fourth Proportional to 13,569.84, 18,726.12 and 8,845.20

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Solution

The fourth proportional to 13,569.84, 18,726.12 and 8,845.20 is: 12,206.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.84 : 18,726.12 = 8,845.20 : x
  2. Step 2: Convert to fraction form
    13,569.84/18,726.12 = 8,845.20/x
  3. Step 3: Cross multiply
    13,569.84x = 18,726.12 × 8,845.20
  4. Step 4: Simplify right side
    13,569.84x = 165,636,276.62
  5. Step 5: Solve for x
    x = 165,636,276.62/13,569.84
  6. Step 6: Final answer
    x = 12,206.21

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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.