Home / 16,720.86-23,075.04-9,167.88

Finding the Fourth Proportional to 16,720.86, 23,075.04 and 9,167.88

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Solution

The fourth proportional to 16,720.86, 23,075.04 and 9,167.88 is: 12,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.86 : 23,075.04 = 9,167.88 : x
  2. Step 2: Convert to fraction form
    16,720.86/23,075.04 = 9,167.88/x
  3. Step 3: Cross multiply
    16,720.86x = 23,075.04 × 9,167.88
  4. Step 4: Simplify right side
    16,720.86x = 211,549,082.34
  5. Step 5: Solve for x
    x = 211,549,082.34/16,720.86
  6. Step 6: Final answer
    x = 12,651.81

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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.