Home / 15,563.80-23,287.36-8,643.16

Finding the Fourth Proportional to 15,563.80, 23,287.36 and 8,643.16

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Solution

The fourth proportional to 15,563.80, 23,287.36 and 8,643.16 is: 12,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.80 : 23,287.36 = 8,643.16 : x
  2. Step 2: Convert to fraction form
    15,563.80/23,287.36 = 8,643.16/x
  3. Step 3: Cross multiply
    15,563.80x = 23,287.36 × 8,643.16
  4. Step 4: Simplify right side
    15,563.80x = 201,276,378.46
  5. Step 5: Solve for x
    x = 201,276,378.46/15,563.80
  6. Step 6: Final answer
    x = 12,932.34

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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.