Home / 13,897.13-19,178.51-7,609.91

Finding the Fourth Proportional to 13,897.13, 19,178.51 and 7,609.91

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Solution

The fourth proportional to 13,897.13, 19,178.51 and 7,609.91 is: 10,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.13 : 19,178.51 = 7,609.91 : x
  2. Step 2: Convert to fraction form
    13,897.13/19,178.51 = 7,609.91/x
  3. Step 3: Cross multiply
    13,897.13x = 19,178.51 × 7,609.91
  4. Step 4: Simplify right side
    13,897.13x = 145,946,601.09
  5. Step 5: Solve for x
    x = 145,946,601.09/13,897.13
  6. Step 6: Final answer
    x = 10,501.93

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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.