Home / 13,210.83-19,810.47-4,997.07

Finding the Fourth Proportional to 13,210.83, 19,810.47 and 4,997.07

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Solution

The fourth proportional to 13,210.83, 19,810.47 and 4,997.07 is: 7,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.83 : 19,810.47 = 4,997.07 : x
  2. Step 2: Convert to fraction form
    13,210.83/19,810.47 = 4,997.07/x
  3. Step 3: Cross multiply
    13,210.83x = 19,810.47 × 4,997.07
  4. Step 4: Simplify right side
    13,210.83x = 98,994,305.32
  5. Step 5: Solve for x
    x = 98,994,305.32/13,210.83
  6. Step 6: Final answer
    x = 7,493.42

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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.