Home / 17,020.86-23,482.28-12,555.30

Finding the Fourth Proportional to 17,020.86, 23,482.28 and 12,555.30

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Solution

The fourth proportional to 17,020.86, 23,482.28 and 12,555.30 is: 17,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.86 : 23,482.28 = 12,555.30 : x
  2. Step 2: Convert to fraction form
    17,020.86/23,482.28 = 12,555.30/x
  3. Step 3: Cross multiply
    17,020.86x = 23,482.28 × 12,555.30
  4. Step 4: Simplify right side
    17,020.86x = 294,827,070.08
  5. Step 5: Solve for x
    x = 294,827,070.08/17,020.86
  6. Step 6: Final answer
    x = 17,321.51

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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.