Home / 14,430.34-19,869.45-12,301.09

Finding the Fourth Proportional to 14,430.34, 19,869.45 and 12,301.09

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Solution

The fourth proportional to 14,430.34, 19,869.45 and 12,301.09 is: 16,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.34 : 19,869.45 = 12,301.09 : x
  2. Step 2: Convert to fraction form
    14,430.34/19,869.45 = 12,301.09/x
  3. Step 3: Cross multiply
    14,430.34x = 19,869.45 × 12,301.09
  4. Step 4: Simplify right side
    14,430.34x = 244,415,892.70
  5. Step 5: Solve for x
    x = 244,415,892.70/14,430.34
  6. Step 6: Final answer
    x = 16,937.64

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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.