Home / 14,484.06-19,971.09-13,434.30

Finding the Fourth Proportional to 14,484.06, 19,971.09 and 13,434.30

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Solution

The fourth proportional to 14,484.06, 19,971.09 and 13,434.30 is: 18,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.06 : 19,971.09 = 13,434.30 : x
  2. Step 2: Convert to fraction form
    14,484.06/19,971.09 = 13,434.30/x
  3. Step 3: Cross multiply
    14,484.06x = 19,971.09 × 13,434.30
  4. Step 4: Simplify right side
    14,484.06x = 268,297,614.39
  5. Step 5: Solve for x
    x = 268,297,614.39/14,484.06
  6. Step 6: Final answer
    x = 18,523.65

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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.