Home / 14,209.49-19,608.64-7,836.35

Finding the Fourth Proportional to 14,209.49, 19,608.64 and 7,836.35

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Solution

The fourth proportional to 14,209.49, 19,608.64 and 7,836.35 is: 10,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.49 : 19,608.64 = 7,836.35 : x
  2. Step 2: Convert to fraction form
    14,209.49/19,608.64 = 7,836.35/x
  3. Step 3: Cross multiply
    14,209.49x = 19,608.64 × 7,836.35
  4. Step 4: Simplify right side
    14,209.49x = 153,660,068.02
  5. Step 5: Solve for x
    x = 153,660,068.02/14,209.49
  6. Step 6: Final answer
    x = 10,813.91

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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.