Home / 19,476.25-26,876.65-10,978.87

Finding the Fourth Proportional to 19,476.25, 26,876.65 and 10,978.87

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Solution

The fourth proportional to 19,476.25, 26,876.65 and 10,978.87 is: 15,150.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.25 : 26,876.65 = 10,978.87 : x
  2. Step 2: Convert to fraction form
    19,476.25/26,876.65 = 10,978.87/x
  3. Step 3: Cross multiply
    19,476.25x = 26,876.65 × 10,978.87
  4. Step 4: Simplify right side
    19,476.25x = 295,075,246.39
  5. Step 5: Solve for x
    x = 295,075,246.39/19,476.25
  6. Step 6: Final answer
    x = 15,150.52

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1.5x scale

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.