Home / 12,301.77-18,438.21-5,714.07

Finding the Fourth Proportional to 12,301.77, 18,438.21 and 5,714.07

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Solution

The fourth proportional to 12,301.77, 18,438.21 and 5,714.07 is: 8,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.77 : 18,438.21 = 5,714.07 : x
  2. Step 2: Convert to fraction form
    12,301.77/18,438.21 = 5,714.07/x
  3. Step 3: Cross multiply
    12,301.77x = 18,438.21 × 5,714.07
  4. Step 4: Simplify right side
    12,301.77x = 105,357,222.61
  5. Step 5: Solve for x
    x = 105,357,222.61/12,301.77
  6. Step 6: Final answer
    x = 8,564.40

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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.