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Finding the Fourth Proportional to 17,328.77, 23,913.72 and 9,370.99

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Solution

The fourth proportional to 17,328.77, 23,913.72 and 9,370.99 is: 12,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.77 : 23,913.72 = 9,370.99 : x
  2. Step 2: Convert to fraction form
    17,328.77/23,913.72 = 9,370.99/x
  3. Step 3: Cross multiply
    17,328.77x = 23,913.72 × 9,370.99
  4. Step 4: Simplify right side
    17,328.77x = 224,095,230.98
  5. Step 5: Solve for x
    x = 224,095,230.98/17,328.77
  6. Step 6: Final answer
    x = 12,931.98

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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.