Home / 14,317.79-19,758.17-7,944.35

Finding the Fourth Proportional to 14,317.79, 19,758.17 and 7,944.35

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Solution

The fourth proportional to 14,317.79, 19,758.17 and 7,944.35 is: 10,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.79 : 19,758.17 = 7,944.35 : x
  2. Step 2: Convert to fraction form
    14,317.79/19,758.17 = 7,944.35/x
  3. Step 3: Cross multiply
    14,317.79x = 19,758.17 × 7,944.35
  4. Step 4: Simplify right side
    14,317.79x = 156,965,827.51
  5. Step 5: Solve for x
    x = 156,965,827.51/14,317.79
  6. Step 6: Final answer
    x = 10,963.00

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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.