Home / 19,120.32-26,386.02-10,736.82

Finding the Fourth Proportional to 19,120.32, 26,386.02 and 10,736.82

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Solution

The fourth proportional to 19,120.32, 26,386.02 and 10,736.82 is: 14,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.32 : 26,386.02 = 10,736.82 : x
  2. Step 2: Convert to fraction form
    19,120.32/26,386.02 = 10,736.82/x
  3. Step 3: Cross multiply
    19,120.32x = 26,386.02 × 10,736.82
  4. Step 4: Simplify right side
    19,120.32x = 283,301,947.26
  5. Step 5: Solve for x
    x = 283,301,947.26/19,120.32
  6. Step 6: Final answer
    x = 14,816.80

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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.