Home / 14,127.66-19,497.08-7,840.04

Finding the Fourth Proportional to 14,127.66, 19,497.08 and 7,840.04

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Solution

The fourth proportional to 14,127.66, 19,497.08 and 7,840.04 is: 10,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.66 : 19,497.08 = 7,840.04 : x
  2. Step 2: Convert to fraction form
    14,127.66/19,497.08 = 7,840.04/x
  3. Step 3: Cross multiply
    14,127.66x = 19,497.08 × 7,840.04
  4. Step 4: Simplify right side
    14,127.66x = 152,857,809.20
  5. Step 5: Solve for x
    x = 152,857,809.20/14,127.66
  6. Step 6: Final answer
    x = 10,819.75

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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.