Home / 15,878.05-23,818.67-4,191.26

Finding the Fourth Proportional to 15,878.05, 23,818.67 and 4,191.26

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Solution

The fourth proportional to 15,878.05, 23,818.67 and 4,191.26 is: 6,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.05 : 23,818.67 = 4,191.26 : x
  2. Step 2: Convert to fraction form
    15,878.05/23,818.67 = 4,191.26/x
  3. Step 3: Cross multiply
    15,878.05x = 23,818.67 × 4,191.26
  4. Step 4: Simplify right side
    15,878.05x = 99,830,277.41
  5. Step 5: Solve for x
    x = 99,830,277.41/15,878.05
  6. Step 6: Final answer
    x = 6,287.31

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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.