Home / 17,397.12-26,095.64-8,638.16

Finding the Fourth Proportional to 17,397.12, 26,095.64 and 8,638.16

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Solution

The fourth proportional to 17,397.12, 26,095.64 and 8,638.16 is: 12,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397.12 : 26,095.64 = 8,638.16 : x
  2. Step 2: Convert to fraction form
    17,397.12/26,095.64 = 8,638.16/x
  3. Step 3: Cross multiply
    17,397.12x = 26,095.64 × 8,638.16
  4. Step 4: Simplify right side
    17,397.12x = 225,418,313.62
  5. Step 5: Solve for x
    x = 225,418,313.62/17,397.12
  6. Step 6: Final answer
    x = 12,957.22

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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.