Home / 14,119.69-21,186.01-6,116.91

Finding the Fourth Proportional to 14,119.69, 21,186.01 and 6,116.91

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Solution

The fourth proportional to 14,119.69, 21,186.01 and 6,116.91 is: 9,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.69 : 21,186.01 = 6,116.91 : x
  2. Step 2: Convert to fraction form
    14,119.69/21,186.01 = 6,116.91/x
  3. Step 3: Cross multiply
    14,119.69x = 21,186.01 × 6,116.91
  4. Step 4: Simplify right side
    14,119.69x = 129,592,916.43
  5. Step 5: Solve for x
    x = 129,592,916.43/14,119.69
  6. Step 6: Final answer
    x = 9,178.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.