Home / 13,240.86-19,864.74-4,923.29

Finding the Fourth Proportional to 13,240.86, 19,864.74 and 4,923.29

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Solution

The fourth proportional to 13,240.86, 19,864.74 and 4,923.29 is: 7,386.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.86 : 19,864.74 = 4,923.29 : x
  2. Step 2: Convert to fraction form
    13,240.86/19,864.74 = 4,923.29/x
  3. Step 3: Cross multiply
    13,240.86x = 19,864.74 × 4,923.29
  4. Step 4: Simplify right side
    13,240.86x = 97,799,776.47
  5. Step 5: Solve for x
    x = 97,799,776.47/13,240.86
  6. Step 6: Final answer
    x = 7,386.21

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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.