Home / 19,908.86-29,864.70-5,868.72

Finding the Fourth Proportional to 19,908.86, 29,864.70 and 5,868.72

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Solution

The fourth proportional to 19,908.86, 29,864.70 and 5,868.72 is: 8,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.86 : 29,864.70 = 5,868.72 : x
  2. Step 2: Convert to fraction form
    19,908.86/29,864.70 = 5,868.72/x
  3. Step 3: Cross multiply
    19,908.86x = 29,864.70 × 5,868.72
  4. Step 4: Simplify right side
    19,908.86x = 175,267,562.18
  5. Step 5: Solve for x
    x = 175,267,562.18/19,908.86
  6. Step 6: Final answer
    x = 8,803.50

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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.