Home / 14,435.57-19,910.04-9,966.80

Finding the Fourth Proportional to 14,435.57, 19,910.04 and 9,966.80

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Solution

The fourth proportional to 14,435.57, 19,910.04 and 9,966.80 is: 13,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.57 : 19,910.04 = 9,966.80 : x
  2. Step 2: Convert to fraction form
    14,435.57/19,910.04 = 9,966.80/x
  3. Step 3: Cross multiply
    14,435.57x = 19,910.04 × 9,966.80
  4. Step 4: Simplify right side
    14,435.57x = 198,439,386.67
  5. Step 5: Solve for x
    x = 198,439,386.67/14,435.57
  6. Step 6: Final answer
    x = 13,746.56

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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.