Home / 14,077.74-19,427.88-7,790.13

Finding the Fourth Proportional to 14,077.74, 19,427.88 and 7,790.13

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Solution

The fourth proportional to 14,077.74, 19,427.88 and 7,790.13 is: 10,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.74 : 19,427.88 = 7,790.13 : x
  2. Step 2: Convert to fraction form
    14,077.74/19,427.88 = 7,790.13/x
  3. Step 3: Cross multiply
    14,077.74x = 19,427.88 × 7,790.13
  4. Step 4: Simplify right side
    14,077.74x = 151,345,710.82
  5. Step 5: Solve for x
    x = 151,345,710.82/14,077.74
  6. Step 6: Final answer
    x = 10,750.71

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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.