Home / 19,866.32-29,798.77-5,075.11

Finding the Fourth Proportional to 19,866.32, 29,798.77 and 5,075.11

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Solution

The fourth proportional to 19,866.32, 29,798.77 and 5,075.11 is: 7,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.32 : 29,798.77 = 5,075.11 : x
  2. Step 2: Convert to fraction form
    19,866.32/29,798.77 = 5,075.11/x
  3. Step 3: Cross multiply
    19,866.32x = 29,798.77 × 5,075.11
  4. Step 4: Simplify right side
    19,866.32x = 151,232,035.61
  5. Step 5: Solve for x
    x = 151,232,035.61/19,866.32
  6. Step 6: Final answer
    x = 7,612.48

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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.