Home / 15,563.15-21,470.31-10,525.52

Finding the Fourth Proportional to 15,563.15, 21,470.31 and 10,525.52

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Solution

The fourth proportional to 15,563.15, 21,470.31 and 10,525.52 is: 14,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.15 : 21,470.31 = 10,525.52 : x
  2. Step 2: Convert to fraction form
    15,563.15/21,470.31 = 10,525.52/x
  3. Step 3: Cross multiply
    15,563.15x = 21,470.31 × 10,525.52
  4. Step 4: Simplify right side
    15,563.15x = 225,986,069.96
  5. Step 5: Solve for x
    x = 225,986,069.96/15,563.15
  6. Step 6: Final answer
    x = 14,520.58

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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.