Home / 13,315.88-19,971.08-6,292.91

Finding the Fourth Proportional to 13,315.88, 19,971.08 and 6,292.91

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Solution

The fourth proportional to 13,315.88, 19,971.08 and 6,292.91 is: 9,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,315.88 : 19,971.08 = 6,292.91 : x
  2. Step 2: Convert to fraction form
    13,315.88/19,971.08 = 6,292.91/x
  3. Step 3: Cross multiply
    13,315.88x = 19,971.08 × 6,292.91
  4. Step 4: Simplify right side
    13,315.88x = 125,676,177.58
  5. Step 5: Solve for x
    x = 125,676,177.58/13,315.88
  6. Step 6: Final answer
    x = 9,438.07

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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.