Home / 16,783.08-23,158.85-9,708.18

Finding the Fourth Proportional to 16,783.08, 23,158.85 and 9,708.18

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Solution

The fourth proportional to 16,783.08, 23,158.85 and 9,708.18 is: 13,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.08 : 23,158.85 = 9,708.18 : x
  2. Step 2: Convert to fraction form
    16,783.08/23,158.85 = 9,708.18/x
  3. Step 3: Cross multiply
    16,783.08x = 23,158.85 × 9,708.18
  4. Step 4: Simplify right side
    16,783.08x = 224,830,149.01
  5. Step 5: Solve for x
    x = 224,830,149.01/16,783.08
  6. Step 6: Final answer
    x = 13,396.24

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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.