Home / 17,720.36-26,587.86-8,957.84

Finding the Fourth Proportional to 17,720.36, 26,587.86 and 8,957.84

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Solution

The fourth proportional to 17,720.36, 26,587.86 and 8,957.84 is: 13,440.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.36 : 26,587.86 = 8,957.84 : x
  2. Step 2: Convert to fraction form
    17,720.36/26,587.86 = 8,957.84/x
  3. Step 3: Cross multiply
    17,720.36x = 26,587.86 × 8,957.84
  4. Step 4: Simplify right side
    17,720.36x = 238,169,795.82
  5. Step 5: Solve for x
    x = 238,169,795.82/17,720.36
  6. Step 6: Final answer
    x = 13,440.46

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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.