Home / 17,369.81-23,970.30-9,412.25

Finding the Fourth Proportional to 17,369.81, 23,970.30 and 9,412.25

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Solution

The fourth proportional to 17,369.81, 23,970.30 and 9,412.25 is: 12,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.81 : 23,970.30 = 9,412.25 : x
  2. Step 2: Convert to fraction form
    17,369.81/23,970.30 = 9,412.25/x
  3. Step 3: Cross multiply
    17,369.81x = 23,970.30 × 9,412.25
  4. Step 4: Simplify right side
    17,369.81x = 225,614,456.18
  5. Step 5: Solve for x
    x = 225,614,456.18/17,369.81
  6. Step 6: Final answer
    x = 12,988.88

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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.