Home / 19,006.08-28,510.56-5,156.16

Finding the Fourth Proportional to 19,006.08, 28,510.56 and 5,156.16

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Solution

The fourth proportional to 19,006.08, 28,510.56 and 5,156.16 is: 7,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.08 : 28,510.56 = 5,156.16 : x
  2. Step 2: Convert to fraction form
    19,006.08/28,510.56 = 5,156.16/x
  3. Step 3: Cross multiply
    19,006.08x = 28,510.56 × 5,156.16
  4. Step 4: Simplify right side
    19,006.08x = 147,005,009.05
  5. Step 5: Solve for x
    x = 147,005,009.05/19,006.08
  6. Step 6: Final answer
    x = 7,734.63

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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.