Home / 13,210.89-19,810.57-4,997.13

Finding the Fourth Proportional to 13,210.89, 19,810.57 and 4,997.13

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Solution

The fourth proportional to 13,210.89, 19,810.57 and 4,997.13 is: 7,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.89 : 19,810.57 = 4,997.13 : x
  2. Step 2: Convert to fraction form
    13,210.89/19,810.57 = 4,997.13/x
  3. Step 3: Cross multiply
    13,210.89x = 19,810.57 × 4,997.13
  4. Step 4: Simplify right side
    13,210.89x = 98,995,882.12
  5. Step 5: Solve for x
    x = 98,995,882.12/13,210.89
  6. Step 6: Final answer
    x = 7,493.51

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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.