Home / 17,339.40-23,928.20-9,381.45

Finding the Fourth Proportional to 17,339.40, 23,928.20 and 9,381.45

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Solution

The fourth proportional to 17,339.40, 23,928.20 and 9,381.45 is: 12,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339.40 : 23,928.20 = 9,381.45 : x
  2. Step 2: Convert to fraction form
    17,339.40/23,928.20 = 9,381.45/x
  3. Step 3: Cross multiply
    17,339.40x = 23,928.20 × 9,381.45
  4. Step 4: Simplify right side
    17,339.40x = 224,481,045.34
  5. Step 5: Solve for x
    x = 224,481,045.34/17,339.40
  6. Step 6: Final answer
    x = 12,946.30

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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.