Home / 15,527.04-21,426.60-8,453.44

Finding the Fourth Proportional to 15,527.04, 21,426.60 and 8,453.44

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Solution

The fourth proportional to 15,527.04, 21,426.60 and 8,453.44 is: 11,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527.04 : 21,426.60 = 8,453.44 : x
  2. Step 2: Convert to fraction form
    15,527.04/21,426.60 = 8,453.44/x
  3. Step 3: Cross multiply
    15,527.04x = 21,426.60 × 8,453.44
  4. Step 4: Simplify right side
    15,527.04x = 181,128,477.50
  5. Step 5: Solve for x
    x = 181,128,477.50/15,527.04
  6. Step 6: Final answer
    x = 11,665.36

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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.