Home / 15,352.83-21,175.55-10,574.31

Finding the Fourth Proportional to 15,352.83, 21,175.55 and 10,574.31

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Solution

The fourth proportional to 15,352.83, 21,175.55 and 10,574.31 is: 14,584.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.83 : 21,175.55 = 10,574.31 : x
  2. Step 2: Convert to fraction form
    15,352.83/21,175.55 = 10,574.31/x
  3. Step 3: Cross multiply
    15,352.83x = 21,175.55 × 10,574.31
  4. Step 4: Simplify right side
    15,352.83x = 223,916,777.25
  5. Step 5: Solve for x
    x = 223,916,777.25/15,352.83
  6. Step 6: Final answer
    x = 14,584.72

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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.