Home / 19,411.67-29,123.66-6,931.42

Finding the Fourth Proportional to 19,411.67, 29,123.66 and 6,931.42

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Solution

The fourth proportional to 19,411.67, 29,123.66 and 6,931.42 is: 10,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.67 : 29,123.66 = 6,931.42 : x
  2. Step 2: Convert to fraction form
    19,411.67/29,123.66 = 6,931.42/x
  3. Step 3: Cross multiply
    19,411.67x = 29,123.66 × 6,931.42
  4. Step 4: Simplify right side
    19,411.67x = 201,868,263.92
  5. Step 5: Solve for x
    x = 201,868,263.92/19,411.67
  6. Step 6: Final answer
    x = 10,399.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.