Home / 14,276.01-19,700.10-7,988.79

Finding the Fourth Proportional to 14,276.01, 19,700.10 and 7,988.79

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Solution

The fourth proportional to 14,276.01, 19,700.10 and 7,988.79 is: 11,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.01 : 19,700.10 = 7,988.79 : x
  2. Step 2: Convert to fraction form
    14,276.01/19,700.10 = 7,988.79/x
  3. Step 3: Cross multiply
    14,276.01x = 19,700.10 × 7,988.79
  4. Step 4: Simplify right side
    14,276.01x = 157,379,961.88
  5. Step 5: Solve for x
    x = 157,379,961.88/14,276.01
  6. Step 6: Final answer
    x = 11,024.09

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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.