Home / 23,017.68-31,764.95-12,808.84

Finding the Fourth Proportional to 23,017.68, 31,764.95 and 12,808.84

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Solution

The fourth proportional to 23,017.68, 31,764.95 and 12,808.84 is: 17,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,017.68 : 31,764.95 = 12,808.84 : x
  2. Step 2: Convert to fraction form
    23,017.68/31,764.95 = 12,808.84/x
  3. Step 3: Cross multiply
    23,017.68x = 31,764.95 × 12,808.84
  4. Step 4: Simplify right side
    23,017.68x = 406,872,162.16
  5. Step 5: Solve for x
    x = 406,872,162.16/23,017.68
  6. Step 6: Final answer
    x = 17,676.51

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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.