Home / 13,966.04-19,273.50-7,678.58

Finding the Fourth Proportional to 13,966.04, 19,273.50 and 7,678.58

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Solution

The fourth proportional to 13,966.04, 19,273.50 and 7,678.58 is: 10,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.04 : 19,273.50 = 7,678.58 : x
  2. Step 2: Convert to fraction form
    13,966.04/19,273.50 = 7,678.58/x
  3. Step 3: Cross multiply
    13,966.04x = 19,273.50 × 7,678.58
  4. Step 4: Simplify right side
    13,966.04x = 147,993,111.63
  5. Step 5: Solve for x
    x = 147,993,111.63/13,966.04
  6. Step 6: Final answer
    x = 10,596.64

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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.