Home / 14,013.19-19,337.50-8,707.89

Finding the Fourth Proportional to 14,013.19, 19,337.50 and 8,707.89

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Solution

The fourth proportional to 14,013.19, 19,337.50 and 8,707.89 is: 12,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.19 : 19,337.50 = 8,707.89 : x
  2. Step 2: Convert to fraction form
    14,013.19/19,337.50 = 8,707.89/x
  3. Step 3: Cross multiply
    14,013.19x = 19,337.50 × 8,707.89
  4. Step 4: Simplify right side
    14,013.19x = 168,388,822.88
  5. Step 5: Solve for x
    x = 168,388,822.88/14,013.19
  6. Step 6: Final answer
    x = 12,016.45

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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.