Home / 13,300.92-19,925.84-7,439.76

Finding the Fourth Proportional to 13,300.92, 19,925.84 and 7,439.76

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Solution

The fourth proportional to 13,300.92, 19,925.84 and 7,439.76 is: 11,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.92 : 19,925.84 = 7,439.76 : x
  2. Step 2: Convert to fraction form
    13,300.92/19,925.84 = 7,439.76/x
  3. Step 3: Cross multiply
    13,300.92x = 19,925.84 × 7,439.76
  4. Step 4: Simplify right side
    13,300.92x = 148,243,467.40
  5. Step 5: Solve for x
    x = 148,243,467.40/13,300.92
  6. Step 6: Final answer
    x = 11,145.35

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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.