Home / 14,318.78-19,715.01-13,006.58

Finding the Fourth Proportional to 14,318.78, 19,715.01 and 13,006.58

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Solution

The fourth proportional to 14,318.78, 19,715.01 and 13,006.58 is: 17,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.78 : 19,715.01 = 13,006.58 : x
  2. Step 2: Convert to fraction form
    14,318.78/19,715.01 = 13,006.58/x
  3. Step 3: Cross multiply
    14,318.78x = 19,715.01 × 13,006.58
  4. Step 4: Simplify right side
    14,318.78x = 256,424,854.77
  5. Step 5: Solve for x
    x = 256,424,854.77/14,318.78
  6. Step 6: Final answer
    x = 17,908.29

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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.