Home / 19,386.18-29,079.90-5,347.26

Finding the Fourth Proportional to 19,386.18, 29,079.90 and 5,347.26

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Solution

The fourth proportional to 19,386.18, 29,079.90 and 5,347.26 is: 8,021.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.18 : 29,079.90 = 5,347.26 : x
  2. Step 2: Convert to fraction form
    19,386.18/29,079.90 = 5,347.26/x
  3. Step 3: Cross multiply
    19,386.18x = 29,079.90 × 5,347.26
  4. Step 4: Simplify right side
    19,386.18x = 155,497,786.07
  5. Step 5: Solve for x
    x = 155,497,786.07/19,386.18
  6. Step 6: Final answer
    x = 8,021.06

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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.