Home / 16,771.28-23,145.36-9,700.16

Finding the Fourth Proportional to 16,771.28, 23,145.36 and 9,700.16

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Solution

The fourth proportional to 16,771.28, 23,145.36 and 9,700.16 is: 13,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.28 : 23,145.36 = 9,700.16 : x
  2. Step 2: Convert to fraction form
    16,771.28/23,145.36 = 9,700.16/x
  3. Step 3: Cross multiply
    16,771.28x = 23,145.36 × 9,700.16
  4. Step 4: Simplify right side
    16,771.28x = 224,513,695.26
  5. Step 5: Solve for x
    x = 224,513,695.26/16,771.28
  6. Step 6: Final answer
    x = 13,386.80

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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.