Home / 15,548.84-21,457.48-8,475.26

Finding the Fourth Proportional to 15,548.84, 21,457.48 and 8,475.26

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Solution

The fourth proportional to 15,548.84, 21,457.48 and 8,475.26 is: 11,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.84 : 21,457.48 = 8,475.26 : x
  2. Step 2: Convert to fraction form
    15,548.84/21,457.48 = 8,475.26/x
  3. Step 3: Cross multiply
    15,548.84x = 21,457.48 × 8,475.26
  4. Step 4: Simplify right side
    15,548.84x = 181,857,721.94
  5. Step 5: Solve for x
    x = 181,857,721.94/15,548.84
  6. Step 6: Final answer
    x = 11,695.90

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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.