Home / 14,126.65-19,486.17-10,153.15

Finding the Fourth Proportional to 14,126.65, 19,486.17 and 10,153.15

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Solution

The fourth proportional to 14,126.65, 19,486.17 and 10,153.15 is: 14,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.65 : 19,486.17 = 10,153.15 : x
  2. Step 2: Convert to fraction form
    14,126.65/19,486.17 = 10,153.15/x
  3. Step 3: Cross multiply
    14,126.65x = 19,486.17 × 10,153.15
  4. Step 4: Simplify right side
    14,126.65x = 197,845,958.22
  5. Step 5: Solve for x
    x = 197,845,958.22/14,126.65
  6. Step 6: Final answer
    x = 14,005.15

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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.