Home / 15,878.29-23,818.37-5,347.43

Finding the Fourth Proportional to 15,878.29, 23,818.37 and 5,347.43

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Solution

The fourth proportional to 15,878.29, 23,818.37 and 5,347.43 is: 8,021.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.29 : 23,818.37 = 5,347.43 : x
  2. Step 2: Convert to fraction form
    15,878.29/23,818.37 = 5,347.43/x
  3. Step 3: Cross multiply
    15,878.29x = 23,818.37 × 5,347.43
  4. Step 4: Simplify right side
    15,878.29x = 127,367,066.29
  5. Step 5: Solve for x
    x = 127,367,066.29/15,878.29
  6. Step 6: Final answer
    x = 8,021.46

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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.