Home / 14,744.30-20,345.79-8,775.01

Finding the Fourth Proportional to 14,744.30, 20,345.79 and 8,775.01

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Solution

The fourth proportional to 14,744.30, 20,345.79 and 8,775.01 is: 12,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.30 : 20,345.79 = 8,775.01 : x
  2. Step 2: Convert to fraction form
    14,744.30/20,345.79 = 8,775.01/x
  3. Step 3: Cross multiply
    14,744.30x = 20,345.79 × 8,775.01
  4. Step 4: Simplify right side
    14,744.30x = 178,534,510.71
  5. Step 5: Solve for x
    x = 178,534,510.71/14,744.30
  6. Step 6: Final answer
    x = 12,108.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.