Home / 13,918.04-19,206.88-7,630.82

Finding the Fourth Proportional to 13,918.04, 19,206.88 and 7,630.82

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Solution

The fourth proportional to 13,918.04, 19,206.88 and 7,630.82 is: 10,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,918.04 : 19,206.88 = 7,630.82 : x
  2. Step 2: Convert to fraction form
    13,918.04/19,206.88 = 7,630.82/x
  3. Step 3: Cross multiply
    13,918.04x = 19,206.88 × 7,630.82
  4. Step 4: Simplify right side
    13,918.04x = 146,564,272.98
  5. Step 5: Solve for x
    x = 146,564,272.98/13,918.04
  6. Step 6: Final answer
    x = 10,530.52

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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.