Home / 15,855.80-23,781.81-4,169.93

Finding the Fourth Proportional to 15,855.80, 23,781.81 and 4,169.93

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Solution

The fourth proportional to 15,855.80, 23,781.81 and 4,169.93 is: 6,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.80 : 23,781.81 = 4,169.93 : x
  2. Step 2: Convert to fraction form
    15,855.80/23,781.81 = 4,169.93/x
  3. Step 3: Cross multiply
    15,855.80x = 23,781.81 × 4,169.93
  4. Step 4: Simplify right side
    15,855.80x = 99,168,482.97
  5. Step 5: Solve for x
    x = 99,168,482.97/15,855.80
  6. Step 6: Final answer
    x = 6,254.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.