Home / 13,925.31-19,217.95-7,956.85

Finding the Fourth Proportional to 13,925.31, 19,217.95 and 7,956.85

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Solution

The fourth proportional to 13,925.31, 19,217.95 and 7,956.85 is: 10,981.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.31 : 19,217.95 = 7,956.85 : x
  2. Step 2: Convert to fraction form
    13,925.31/19,217.95 = 7,956.85/x
  3. Step 3: Cross multiply
    13,925.31x = 19,217.95 × 7,956.85
  4. Step 4: Simplify right side
    13,925.31x = 152,914,305.67
  5. Step 5: Solve for x
    x = 152,914,305.67/13,925.31
  6. Step 6: Final answer
    x = 10,981.03

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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.