Home / 13,925.99-19,217.90-7,957.64

Finding the Fourth Proportional to 13,925.99, 19,217.90 and 7,957.64

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Solution

The fourth proportional to 13,925.99, 19,217.90 and 7,957.64 is: 10,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.99 : 19,217.90 = 7,957.64 : x
  2. Step 2: Convert to fraction form
    13,925.99/19,217.90 = 7,957.64/x
  3. Step 3: Cross multiply
    13,925.99x = 19,217.90 × 7,957.64
  4. Step 4: Simplify right side
    13,925.99x = 152,929,141.74
  5. Step 5: Solve for x
    x = 152,929,141.74/13,925.99
  6. Step 6: Final answer
    x = 10,981.56

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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.