Home / 19,011.92-28,521.95-5,685.96

Finding the Fourth Proportional to 19,011.92, 28,521.95 and 5,685.96

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Solution

The fourth proportional to 19,011.92, 28,521.95 and 5,685.96 is: 8,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.92 : 28,521.95 = 5,685.96 : x
  2. Step 2: Convert to fraction form
    19,011.92/28,521.95 = 5,685.96/x
  3. Step 3: Cross multiply
    19,011.92x = 28,521.95 × 5,685.96
  4. Step 4: Simplify right side
    19,011.92x = 162,174,666.82
  5. Step 5: Solve for x
    x = 162,174,666.82/19,011.92
  6. Step 6: Final answer
    x = 8,530.16

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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.