Home / 13,925.93-19,217.86-7,957.81

Finding the Fourth Proportional to 13,925.93, 19,217.86 and 7,957.81

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Solution

The fourth proportional to 13,925.93, 19,217.86 and 7,957.81 is: 10,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.93 : 19,217.86 = 7,957.81 : x
  2. Step 2: Convert to fraction form
    13,925.93/19,217.86 = 7,957.81/x
  3. Step 3: Cross multiply
    13,925.93x = 19,217.86 × 7,957.81
  4. Step 4: Simplify right side
    13,925.93x = 152,932,082.61
  5. Step 5: Solve for x
    x = 152,932,082.61/13,925.93
  6. Step 6: Final answer
    x = 10,981.83

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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.