Home / 19,363.02-26,720.72-10,978.98

Finding the Fourth Proportional to 19,363.02, 26,720.72 and 10,978.98

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Solution

The fourth proportional to 19,363.02, 26,720.72 and 10,978.98 is: 15,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.02 : 26,720.72 = 10,978.98 : x
  2. Step 2: Convert to fraction form
    19,363.02/26,720.72 = 10,978.98/x
  3. Step 3: Cross multiply
    19,363.02x = 26,720.72 × 10,978.98
  4. Step 4: Simplify right side
    19,363.02x = 293,366,250.47
  5. Step 5: Solve for x
    x = 293,366,250.47/19,363.02
  6. Step 6: Final answer
    x = 15,150.85

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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.