Home / 14,277.74-19,695.12-8,308.72

Finding the Fourth Proportional to 14,277.74, 19,695.12 and 8,308.72

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Solution

The fourth proportional to 14,277.74, 19,695.12 and 8,308.72 is: 11,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.74 : 19,695.12 = 8,308.72 : x
  2. Step 2: Convert to fraction form
    14,277.74/19,695.12 = 8,308.72/x
  3. Step 3: Cross multiply
    14,277.74x = 19,695.12 × 8,308.72
  4. Step 4: Simplify right side
    14,277.74x = 163,641,237.45
  5. Step 5: Solve for x
    x = 163,641,237.45/14,277.74
  6. Step 6: Final answer
    x = 11,461.28

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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.