Home / 14,318.79-19,759.87-7,946.35

Finding the Fourth Proportional to 14,318.79, 19,759.87 and 7,946.35

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Solution

The fourth proportional to 14,318.79, 19,759.87 and 7,946.35 is: 10,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.79 : 19,759.87 = 7,946.35 : x
  2. Step 2: Convert to fraction form
    14,318.79/19,759.87 = 7,946.35/x
  3. Step 3: Cross multiply
    14,318.79x = 19,759.87 × 7,946.35
  4. Step 4: Simplify right side
    14,318.79x = 157,018,877.61
  5. Step 5: Solve for x
    x = 157,018,877.61/14,318.79
  6. Step 6: Final answer
    x = 10,965.93

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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.