Home / 14,397.30-19,860.75-8,425.08

Finding the Fourth Proportional to 14,397.30, 19,860.75 and 8,425.08

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Solution

The fourth proportional to 14,397.30, 19,860.75 and 8,425.08 is: 11,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,397.30 : 19,860.75 = 8,425.08 : x
  2. Step 2: Convert to fraction form
    14,397.30/19,860.75 = 8,425.08/x
  3. Step 3: Cross multiply
    14,397.30x = 19,860.75 × 8,425.08
  4. Step 4: Simplify right side
    14,397.30x = 167,328,407.61
  5. Step 5: Solve for x
    x = 167,328,407.61/14,397.30
  6. Step 6: Final answer
    x = 11,622.21

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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.