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Finding the Fourth Proportional to 17,124.16, 25,686.24 and 8,802.88

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Solution

The fourth proportional to 17,124.16, 25,686.24 and 8,802.88 is: 13,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,124.16 : 25,686.24 = 8,802.88 : x
  2. Step 2: Convert to fraction form
    17,124.16/25,686.24 = 8,802.88/x
  3. Step 3: Cross multiply
    17,124.16x = 25,686.24 × 8,802.88
  4. Step 4: Simplify right side
    17,124.16x = 226,112,888.37
  5. Step 5: Solve for x
    x = 226,112,888.37/17,124.16
  6. Step 6: Final answer
    x = 13,204.32

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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.